/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/Fibonacci05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:57:45,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:57:45,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:57:45,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:57:45,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:57:45,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:57:45,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:57:45,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:57:45,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:57:45,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:57:45,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:57:45,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:57:45,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:57:45,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:57:45,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:57:45,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:57:45,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:57:45,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:57:45,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:57:45,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:57:45,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:57:45,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:57:45,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:57:45,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:57:45,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:57:45,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:57:45,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:57:45,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:57:45,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:57:45,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:57:45,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:57:45,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:57:45,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:57:45,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:57:45,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:57:45,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:57:45,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:57:45,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:57:45,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:57:45,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:57:45,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:57:45,149 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 03:57:45,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:57:45,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:57:45,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:57:45,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:57:45,179 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:57:45,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:57:45,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:57:45,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:57:45,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:57:45,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:57:45,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:57:45,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:57:45,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:57:45,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:57:45,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:57:45,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:57:45,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:57:45,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:57:45,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:57:45,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:57:45,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:57:45,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:57:45,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:57:45,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:57:45,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:57:45,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:57:45,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:57:45,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:57:45,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:57:45,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:57:45,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:57:45,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:57:45,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:57:45,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:57:45,601 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:57:45,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci05.c [2020-10-27 03:57:45,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/828c1d0d5/ee7785754e764270b324efc28ef31dea/FLAG21688c4b9 [2020-10-27 03:57:46,465 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:57:46,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci05.c [2020-10-27 03:57:46,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/828c1d0d5/ee7785754e764270b324efc28ef31dea/FLAG21688c4b9 [2020-10-27 03:57:46,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/828c1d0d5/ee7785754e764270b324efc28ef31dea [2020-10-27 03:57:46,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:57:46,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:57:46,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:57:46,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:57:46,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:57:46,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:57:46" (1/1) ... [2020-10-27 03:57:46,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a73188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:46, skipping insertion in model container [2020-10-27 03:57:46,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:57:46" (1/1) ... [2020-10-27 03:57:46,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:57:46,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:57:47,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:57:47,063 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:57:47,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:57:47,096 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:57:47,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47 WrapperNode [2020-10-27 03:57:47,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:57:47,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:57:47,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:57:47,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:57:47,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (1/1) ... [2020-10-27 03:57:47,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:57:47,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:57:47,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:57:47,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:57:47,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (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 03:57:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:57:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:57:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:57:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-10-27 03:57:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:57:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:57:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:57:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:57:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:57:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:57:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-10-27 03:57:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:57:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:57:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:57:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:57:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:57:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:57:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:57:47,717 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:57:47,717 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 03:57:47,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:57:47 BoogieIcfgContainer [2020-10-27 03:57:47,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:57:47,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:57:47,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:57:47,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:57:47,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:57:46" (1/3) ... [2020-10-27 03:57:47,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f11b105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:57:47, skipping insertion in model container [2020-10-27 03:57:47,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:57:47" (2/3) ... [2020-10-27 03:57:47,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f11b105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:57:47, skipping insertion in model container [2020-10-27 03:57:47,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:57:47" (3/3) ... [2020-10-27 03:57:47,738 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci05.c [2020-10-27 03:57:47,756 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:57:47,763 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 03:57:47,781 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 03:57:47,833 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:57:47,833 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:57:47,833 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:57:47,833 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:57:47,833 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:57:47,834 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:57:47,834 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:57:47,834 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:57:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-10-27 03:57:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 03:57:47,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:47,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:47,877 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:47,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:47,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2107265492, now seen corresponding path program 1 times [2020-10-27 03:57:47,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:47,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64460356] [2020-10-27 03:57:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:48,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:48,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 03:57:48,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-27 03:57:48,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:57:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:57:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:57:48,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:48,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:48,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:48,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:48,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:57:48,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:48,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:48,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:48,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:48,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:48,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:57:48,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:57:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:48,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:48,549 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 03:57:48,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64460356] [2020-10-27 03:57:48,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:57:48,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:57:48,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924193955] [2020-10-27 03:57:48,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:57:48,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:48,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:57:48,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:57:48,577 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 6 states. [2020-10-27 03:57:48,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:48,853 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-27 03:57:48,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:57:48,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 03:57:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:48,866 INFO L225 Difference]: With dead ends: 41 [2020-10-27 03:57:48,866 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 03:57:48,870 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 03:57:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 03:57:48,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 03:57:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 03:57:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 03:57:48,922 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-10-27 03:57:48,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:48,923 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 03:57:48,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:57:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 03:57:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 03:57:48,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:48,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:48,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:57:48,926 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:48,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:48,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1001048603, now seen corresponding path program 1 times [2020-10-27 03:57:48,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:48,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587595916] [2020-10-27 03:57:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:48,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 03:57:49,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 03:57:49,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:57:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:49,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:57:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:49,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:57:49,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:49,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:49,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:49,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:57:49,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:49,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:57:49,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:57:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:57:49,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:49,256 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 03:57:49,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587595916] [2020-10-27 03:57:49,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:57:49,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:57:49,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289883900] [2020-10-27 03:57:49,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:57:49,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:49,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:57:49,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:57:49,265 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-10-27 03:57:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:49,571 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-27 03:57:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 03:57:49,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 03:57:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:49,574 INFO L225 Difference]: With dead ends: 30 [2020-10-27 03:57:49,575 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 03:57:49,576 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 03:57:49,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 03:57:49,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-10-27 03:57:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 03:57:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 03:57:49,595 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2020-10-27 03:57:49,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:49,596 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 03:57:49,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:57:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 03:57:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 03:57:49,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:49,599 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:49,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:57:49,600 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:49,602 INFO L82 PathProgramCache]: Analyzing trace with hash -768223736, now seen corresponding path program 1 times [2020-10-27 03:57:49,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:49,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888471261] [2020-10-27 03:57:49,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:49,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:49,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 03:57:50,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:57:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 911 [2020-10-27 03:57:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:50,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:50,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:57:50,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:50,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 03:57:50,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:57:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 03:57:50,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:57:50,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:50,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:57:50,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:57:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:50,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:50,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:50,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:50,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:57:50,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888471261] [2020-10-27 03:57:50,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:50,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 03:57:50,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118130137] [2020-10-27 03:57:50,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:57:50,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:50,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:57:50,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:57:50,824 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 8 states. [2020-10-27 03:57:51,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:51,135 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2020-10-27 03:57:51,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 03:57:51,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 03:57:51,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:51,137 INFO L225 Difference]: With dead ends: 50 [2020-10-27 03:57:51,138 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 03:57:51,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:57:51,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 03:57:51,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-27 03:57:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 03:57:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-10-27 03:57:51,149 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 28 [2020-10-27 03:57:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:51,149 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-10-27 03:57:51,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:57:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-10-27 03:57:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 03:57:51,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:51,151 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:51,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:57:51,152 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:51,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:51,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1973821333, now seen corresponding path program 1 times [2020-10-27 03:57:51,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:51,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476816874] [2020-10-27 03:57:51,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:51,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:51,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 03:57:51,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:57:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-27 03:57:51,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:57:51,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:51,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:51,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:51,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:51,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:51,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:51,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:51,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:51,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:51,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:51,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:57:51,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:57:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 03:57:51,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:57:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:51,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:51,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:51,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:57:51,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:51,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:51,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:51,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:57:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:51,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:51,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:51,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:51,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:51,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:51,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:57:51,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476816874] [2020-10-27 03:57:51,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:51,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 03:57:51,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201281874] [2020-10-27 03:57:51,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:57:51,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:51,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:57:51,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:57:51,853 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 8 states. [2020-10-27 03:57:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:52,156 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2020-10-27 03:57:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 03:57:52,157 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-27 03:57:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:52,159 INFO L225 Difference]: With dead ends: 38 [2020-10-27 03:57:52,159 INFO L226 Difference]: Without dead ends: 33 [2020-10-27 03:57:52,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:57:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-27 03:57:52,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-10-27 03:57:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 03:57:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-10-27 03:57:52,168 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 29 [2020-10-27 03:57:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:52,169 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-10-27 03:57:52,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:57:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-10-27 03:57:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 03:57:52,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:52,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:52,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:57:52,171 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:52,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1325220322, now seen corresponding path program 1 times [2020-10-27 03:57:52,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:52,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041012899] [2020-10-27 03:57:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:57:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-27 03:57:52,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:57:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:57:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:52,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:52,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:52,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:52,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:57:52,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:52,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:52,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:52,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:52,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:57:52,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:57:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-27 03:57:52,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:57:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:53,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:53,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:57:53,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:57:53,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:57:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:53,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:57:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:53,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:53,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:57:53,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:53,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 03:57:53,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041012899] [2020-10-27 03:57:53,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:53,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 03:57:53,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973601445] [2020-10-27 03:57:53,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:57:53,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:53,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:57:53,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:57:53,066 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 7 states. [2020-10-27 03:57:53,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:53,381 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2020-10-27 03:57:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:57:53,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-27 03:57:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:53,384 INFO L225 Difference]: With dead ends: 45 [2020-10-27 03:57:53,385 INFO L226 Difference]: Without dead ends: 40 [2020-10-27 03:57:53,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:57:53,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-27 03:57:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2020-10-27 03:57:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 03:57:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2020-10-27 03:57:53,409 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 30 [2020-10-27 03:57:53,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:53,414 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-10-27 03:57:53,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:57:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-10-27 03:57:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 03:57:53,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:53,419 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:53,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:57:53,419 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:53,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:53,420 INFO L82 PathProgramCache]: Analyzing trace with hash -38740789, now seen corresponding path program 2 times [2020-10-27 03:57:53,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:53,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920270842] [2020-10-27 03:57:53,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:53,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:53,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:55,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 03:57:57,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:57:57,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3685 [2020-10-27 03:57:57,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:57:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:57:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:57:57,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:57,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:57:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:57:57,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:57:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:57:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:57:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:57:57,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:57:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:57,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:57,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:58,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 03:57:58,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:57:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1321 [2020-10-27 03:57:58,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:57:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:57:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:58,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:58,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 03:57:58,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:57:58,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 03:57:58,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:57:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:57:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:58,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:57:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:58,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:58,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:58,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:57:58,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:58,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:57:58,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:58,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:58,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:57:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:58,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:57:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:57:58,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:57:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 03:57:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:58,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:58,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:57:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:57:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:57:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:57:58,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:57:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:57:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:57:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:57:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:57:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 03:57:58,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920270842] [2020-10-27 03:57:58,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:57:58,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:57:58,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626959278] [2020-10-27 03:57:58,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:57:58,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:57:58,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:57:58,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:57:58,748 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand 9 states. [2020-10-27 03:57:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:57:59,246 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2020-10-27 03:57:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:57:59,246 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-10-27 03:57:59,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:57:59,249 INFO L225 Difference]: With dead ends: 82 [2020-10-27 03:57:59,249 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 03:57:59,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:57:59,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 03:57:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-27 03:57:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 03:57:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2020-10-27 03:57:59,266 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 42 [2020-10-27 03:57:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:57:59,266 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2020-10-27 03:57:59,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:57:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-10-27 03:57:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 03:57:59,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:57:59,269 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:57:59,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:57:59,269 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:57:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:57:59,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1230620678, now seen corresponding path program 3 times [2020-10-27 03:57:59,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:57:59,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513601710] [2020-10-27 03:57:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:57:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:57:59,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:57:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:00,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:00,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:04,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 03:58:04,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:58:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 03:58:04,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:58:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:04,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 03:58:04,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:04,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:04,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:04,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:04,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:06,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:06,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:07,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 03:58:09,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 03:58:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:58:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:58:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 03:58:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:58:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:09,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:58:09,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 03:58:09,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:09,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:09,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:09,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:09,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:09,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:58:09,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:58:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:58:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:58:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:09,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:09,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:09,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:09,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:09,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:09,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:58:09,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:09,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 49 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 03:58:09,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513601710] [2020-10-27 03:58:09,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:09,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:58:09,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353821876] [2020-10-27 03:58:09,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:58:09,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:09,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:58:09,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:58:09,679 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand 9 states. [2020-10-27 03:58:10,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:10,195 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-10-27 03:58:10,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:58:10,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-27 03:58:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:10,201 INFO L225 Difference]: With dead ends: 112 [2020-10-27 03:58:10,201 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 03:58:10,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-27 03:58:10,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 03:58:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 57. [2020-10-27 03:58:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-27 03:58:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2020-10-27 03:58:10,238 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 56 [2020-10-27 03:58:10,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:10,239 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2020-10-27 03:58:10,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:58:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2020-10-27 03:58:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 03:58:10,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:10,247 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:10,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:58:10,248 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:10,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:10,249 INFO L82 PathProgramCache]: Analyzing trace with hash -174236780, now seen corresponding path program 4 times [2020-10-27 03:58:10,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:10,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302775232] [2020-10-27 03:58:10,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:10,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:10,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:10,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:10,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:12,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:12,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:12,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:13,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:14,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 03:58:15,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 03:58:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:58:15,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:58:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 03:58:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:15,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:58:15,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:16,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:17,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:17,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:17,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:19,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:19,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:20,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:20,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 03:58:20,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:58:20,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:20,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 03:58:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:58:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 03:58:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:20,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:20,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:58:20,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:58:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-27 03:58:20,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:58:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:20,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:58:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:20,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:20,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:20,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:58:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:58:20,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:58:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:20,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:20,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:20,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:20,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:20,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 03:58:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:20,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:20,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:21,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:23,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 03:58:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2263 [2020-10-27 03:58:23,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:58:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:58:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:58:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:23,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:58:23,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:58:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-27 03:58:23,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:58:23,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:58:23,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:23,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:23,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:58:23,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:23,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:23,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:23,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:23,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:23,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:23,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:23,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:23,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:23,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 03:58:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:23,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:23,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:23,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:58:23,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:23,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:23,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 60 proven. 82 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-27 03:58:23,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302775232] [2020-10-27 03:58:23,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:23,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 03:58:23,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233403947] [2020-10-27 03:58:23,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 03:58:23,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:23,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 03:58:23,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:58:23,660 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 17 states. [2020-10-27 03:58:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:24,436 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-10-27 03:58:24,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:58:24,438 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-10-27 03:58:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:24,440 INFO L225 Difference]: With dead ends: 103 [2020-10-27 03:58:24,440 INFO L226 Difference]: Without dead ends: 48 [2020-10-27 03:58:24,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2020-10-27 03:58:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-27 03:58:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-27 03:58:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-27 03:58:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2020-10-27 03:58:24,452 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 71 [2020-10-27 03:58:24,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:24,453 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2020-10-27 03:58:24,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 03:58:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-10-27 03:58:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 03:58:24,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:24,454 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:24,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:58:24,455 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:24,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:24,455 INFO L82 PathProgramCache]: Analyzing trace with hash 953603514, now seen corresponding path program 5 times [2020-10-27 03:58:24,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:24,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40890582] [2020-10-27 03:58:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:24,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:24,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:24,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:25,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:26,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:27,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:27,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:27,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:27,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:29,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 03:58:29,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 03:58:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:58:29,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:58:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 03:58:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:29,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:29,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:29,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:29,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:30,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:31,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 03:58:34,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 03:58:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:58:34,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:58:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 03:58:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:58:34,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:58:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 03:58:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:58:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:34,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:58:34,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:58:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:34,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 03:58:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:58:34,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:58:34,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:34,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:34,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:58:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:34,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:58:34,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:58:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:34,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:58:34,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 20 proven. 81 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-27 03:58:34,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40890582] [2020-10-27 03:58:34,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:34,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 03:58:34,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891679447] [2020-10-27 03:58:34,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:58:34,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:34,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:58:34,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:58:34,794 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 10 states. [2020-10-27 03:58:35,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:35,195 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions. [2020-10-27 03:58:35,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 03:58:35,196 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-10-27 03:58:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:35,197 INFO L225 Difference]: With dead ends: 87 [2020-10-27 03:58:35,197 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 03:58:35,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:58:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 03:58:35,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2020-10-27 03:58:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 03:58:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2020-10-27 03:58:35,215 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 71 [2020-10-27 03:58:35,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:35,215 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2020-10-27 03:58:35,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:58:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2020-10-27 03:58:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-27 03:58:35,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:35,217 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:35,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:58:35,217 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:35,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:35,218 INFO L82 PathProgramCache]: Analyzing trace with hash 938305601, now seen corresponding path program 6 times [2020-10-27 03:58:35,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:35,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350172736] [2020-10-27 03:58:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:35,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:36,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:36,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:40,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 03:58:40,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 03:58:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:58:40,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:58:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:58:40,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:40,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:40,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:40,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:40,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:40,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:58:40,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:40,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:41,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:42,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:43,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:43,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:43,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:44,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:45,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 03:58:45,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-27 03:58:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:58:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:58:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:58:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 03:58:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:45,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:45,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:46,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:46,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:46,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:58:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1584 [2020-10-27 03:58:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:58:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:47,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:47,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:47,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:58:47,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 03:58:47,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:47,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:47,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:47,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:58:47,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:47,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:47,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:47,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:47,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:47,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:58:47,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:58:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:47,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:47,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:47,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:47,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:47,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:58:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:47,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:58:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:47,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:47,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:47,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:58:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:58:47,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:47,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:47,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:58:47,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:58:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:58:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:47,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 03:58:51,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 03:58:51,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3821 [2020-10-27 03:58:51,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:58:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:58:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 03:58:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:58:51,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:58:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-27 03:58:51,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:58:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:58:51,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:58:51,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:58:51,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:58:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:58:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:58:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:58:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:58:51,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:58:51,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:58:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:51,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:58:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:58:51,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:58:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:58:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:58:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:51,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:51,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:58:51,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:51,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:58:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:58:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 109 proven. 190 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-27 03:58:52,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350172736] [2020-10-27 03:58:52,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:58:52,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 03:58:52,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948453540] [2020-10-27 03:58:52,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 03:58:52,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:58:52,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 03:58:52,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:58:52,008 INFO L87 Difference]: Start difference. First operand 43 states and 53 transitions. Second operand 18 states. [2020-10-27 03:58:53,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:58:53,549 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2020-10-27 03:58:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 03:58:53,550 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 98 [2020-10-27 03:58:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:58:53,551 INFO L225 Difference]: With dead ends: 90 [2020-10-27 03:58:53,552 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 03:58:53,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=841, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 03:58:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 03:58:53,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-10-27 03:58:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-27 03:58:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2020-10-27 03:58:53,563 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 98 [2020-10-27 03:58:53,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:58:53,563 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2020-10-27 03:58:53,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 03:58:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2020-10-27 03:58:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 03:58:53,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:58:53,565 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:58:53,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 03:58:53,565 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:58:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:58:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash -667659703, now seen corresponding path program 7 times [2020-10-27 03:58:53,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:58:53,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437291560] [2020-10-27 03:58:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:58:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:53,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:53,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:53,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:58,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-27 03:58:58,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:58,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:58:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:58,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:58:58,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:58:58,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:58:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:58:58,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:58:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:58:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:58:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:58:58,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:58:58,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:58:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:58:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:58,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:59,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:58:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 03:59:03,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 03:59:03,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:59:03,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:59:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:03,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:03,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:03,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:03,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:03,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:03,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:03,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:03,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:59:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:03,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:03,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:03,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:03,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:03,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:03,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:03,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:03,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 03:59:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:03,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:04,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:59:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-27 03:59:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:59:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:59:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:04,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:04,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:04,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:04,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:04,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 174 proven. 59 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-10-27 03:59:04,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437291560] [2020-10-27 03:59:04,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:59:04,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 03:59:04,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810736762] [2020-10-27 03:59:04,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:59:04,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:59:04,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:59:04,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:59:04,222 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand 10 states. [2020-10-27 03:59:04,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:59:04,793 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2020-10-27 03:59:04,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:59:04,793 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-27 03:59:04,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:59:04,795 INFO L225 Difference]: With dead ends: 59 [2020-10-27 03:59:04,795 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 03:59:04,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:59:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 03:59:04,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-10-27 03:59:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-27 03:59:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2020-10-27 03:59:04,822 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 111 [2020-10-27 03:59:04,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:59:04,824 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2020-10-27 03:59:04,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:59:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2020-10-27 03:59:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 03:59:04,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:59:04,826 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:59:04,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 03:59:04,827 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:59:04,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:59:04,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1378585374, now seen corresponding path program 8 times [2020-10-27 03:59:04,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:59:04,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742554795] [2020-10-27 03:59:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:59:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:04,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:04,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:05,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:07,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:59:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:59:09,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 03:59:09,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:09,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:59:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:09,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:09,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:59:09,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:09,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:59:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:09,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:09,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:10,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:10,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:10,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:13,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:13,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:14,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:14,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 03:59:14,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 03:59:14,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 03:59:14,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:14,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:59:14,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:14,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-27 03:59:14,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:14,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:15,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:15,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:15,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:15,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 03:59:20,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:59:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 03:59:20,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 03:59:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:59:20,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:59:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:20,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:59:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:20,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:59:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 03:59:20,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:59:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:59:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:59:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 03:59:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 03:59:20,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:59:20,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 03:59:20,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:20,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:20,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:20,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:20,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:20,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:20,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:20,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:59:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:20,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:20,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:20,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 109 proven. 218 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2020-10-27 03:59:20,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742554795] [2020-10-27 03:59:20,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:59:20,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 03:59:20,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798645205] [2020-10-27 03:59:20,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:59:20,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:59:20,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:59:20,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:59:20,278 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand 10 states. [2020-10-27 03:59:20,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:59:20,976 INFO L93 Difference]: Finished difference Result 135 states and 184 transitions. [2020-10-27 03:59:20,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 03:59:20,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2020-10-27 03:59:20,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:59:20,980 INFO L225 Difference]: With dead ends: 135 [2020-10-27 03:59:20,981 INFO L226 Difference]: Without dead ends: 130 [2020-10-27 03:59:20,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-27 03:59:20,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-27 03:59:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-27 03:59:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 03:59:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 147 transitions. [2020-10-27 03:59:21,003 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 147 transitions. Word has length 138 [2020-10-27 03:59:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:59:21,003 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 147 transitions. [2020-10-27 03:59:21,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:59:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2020-10-27 03:59:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-27 03:59:21,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:59:21,006 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:59:21,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 03:59:21,006 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:59:21,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:59:21,007 INFO L82 PathProgramCache]: Analyzing trace with hash -192472089, now seen corresponding path program 9 times [2020-10-27 03:59:21,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:59:21,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410475110] [2020-10-27 03:59:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:59:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:21,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:25,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:26,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 03:59:26,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 03:59:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 03:59:26,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:59:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:59:26,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 255 [2020-10-27 03:59:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:26,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:59:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:26,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:26,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:59:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:26,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:26,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:28,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:29,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 03:59:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 03:59:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 03:59:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 03:59:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:59:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 03:59:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:31,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:31,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:35,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:59:36,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 03:59:36,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:38,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:59:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:41,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 03:59:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:41,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:41,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:41,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:42,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:59:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1315 [2020-10-27 03:59:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 03:59:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:59:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:59:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 03:59:42,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:59:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:42,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:59:42,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:59:42,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:59:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:42,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:59:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:59:42,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:59:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:59:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:59:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:42,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:42,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:42,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:42,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 03:59:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 03:59:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:42,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:42,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:42,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:42,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:42,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:42,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:42,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:42,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:42,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:42,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:42,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:42,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 03:59:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:42,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:42,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:44,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:45,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:47,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:47,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:47,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:47,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 03:59:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:47,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:47,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:52,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 03:59:52,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 03:59:53,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:59:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:53,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 03:59:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:53,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:59:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:59:53,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:59:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:59:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:53,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:59:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:59:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:59:53,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:53,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:53,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:53,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:59:53,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:59:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:59:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 03:59:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 03:59:53,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:59:53,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 03:59:53,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 03:59:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:59:53,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:59:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 03:59:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:59:53,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:59:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:59:53,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:59:53,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:59:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:53,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:53,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:59:53,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:59:53,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:59:53,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:59:53,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:59:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:59:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:59:53,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:59:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:59:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 594 proven. 753 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2020-10-27 03:59:54,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410475110] [2020-10-27 03:59:54,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:59:54,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 03:59:54,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256458068] [2020-10-27 03:59:54,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 03:59:54,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:59:54,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 03:59:54,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2020-10-27 03:59:54,122 INFO L87 Difference]: Start difference. First operand 106 states and 147 transitions. Second operand 23 states. [2020-10-27 03:59:56,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:59:56,066 INFO L93 Difference]: Finished difference Result 175 states and 271 transitions. [2020-10-27 03:59:56,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:59:56,067 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 206 [2020-10-27 03:59:56,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:59:56,073 INFO L225 Difference]: With dead ends: 175 [2020-10-27 03:59:56,073 INFO L226 Difference]: Without dead ends: 76 [2020-10-27 03:59:56,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 61 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=307, Invalid=1415, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 03:59:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-27 03:59:56,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2020-10-27 03:59:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-27 03:59:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2020-10-27 03:59:56,098 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 206 [2020-10-27 03:59:56,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:59:56,102 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2020-10-27 03:59:56,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 03:59:56,102 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2020-10-27 03:59:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-10-27 03:59:56,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:59:56,113 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:59:56,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 03:59:56,114 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:59:56,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:59:56,114 INFO L82 PathProgramCache]: Analyzing trace with hash -2159485, now seen corresponding path program 10 times [2020-10-27 03:59:56,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:59:56,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627989570] [2020-10-27 03:59:56,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:59:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:59:56,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:58,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:58,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:59:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:00,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:01,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 431 [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 414 [2020-10-27 04:00:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:00:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:01,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:01,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:00:01,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:01,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:01,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:01,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:01,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:00:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:01,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:03,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:03,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:03,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:04,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:04,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:05,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-27 04:00:06,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:06,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:06,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:07,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:08,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:09,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:09,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:09,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:09,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:10,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:10,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:10,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:10,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 04:00:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:00:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 04:00:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 04:00:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:00:11,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:00:11,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:11,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:11,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:00:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:00:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:11,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:00:11,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:00:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:11,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:00:11,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:11,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:11,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:11,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:00:11,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:00:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:00:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:11,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:11,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:13,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:13,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:13,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:16,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:16,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:00:16,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:16,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:16,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:00:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:00:17,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:00:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:00:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:00:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:17,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:17,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:17,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:00:17,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:00:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:00:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:17,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:00:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:00:17,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:00:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:00:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:17,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:17,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:17,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:17,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:00:17,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 04:00:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:17,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:18,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:18,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:19,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 04:00:22,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:22,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:22,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:23,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:23,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:00:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:00:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:27,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:27,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:27,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:00:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:27,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:27,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:00:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:27,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:27,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:00:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:27,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:00:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-27 04:00:27,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:00:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:00:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:27,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:00:27,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:00:27,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:27,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:27,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:27,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:27,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:27,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:00:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:27,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:27,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:27,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:00:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:00:27,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:00:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:00:27,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:27,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:00:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:27,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:28,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:28,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:28,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:29,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:29,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:00:29,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:00:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1138 [2020-10-27 04:00:29,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:00:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:00:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:00:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:29,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:29,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:00:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:00:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:00:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:00:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:29,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:00:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:29,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:29,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:00:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:00:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:29,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:29,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:00:29,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:00:29,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:00:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:00:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:29,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:00:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:00:29,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:00:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:00:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:00:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1571 proven. 959 refuted. 0 times theorem prover too weak. 3509 trivial. 0 not checked. [2020-10-27 04:00:29,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627989570] [2020-10-27 04:00:29,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:00:29,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 04:00:29,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598658664] [2020-10-27 04:00:29,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 04:00:29,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:00:29,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 04:00:29,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2020-10-27 04:00:29,350 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand 23 states. [2020-10-27 04:00:31,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:00:31,626 INFO L93 Difference]: Finished difference Result 154 states and 237 transitions. [2020-10-27 04:00:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 04:00:31,627 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 329 [2020-10-27 04:00:31,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:00:31,631 INFO L225 Difference]: With dead ends: 154 [2020-10-27 04:00:31,631 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 04:00:31,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 91 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=355, Invalid=1451, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 04:00:31,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 04:00:31,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 81. [2020-10-27 04:00:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 04:00:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2020-10-27 04:00:31,647 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 329 [2020-10-27 04:00:31,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:00:31,647 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2020-10-27 04:00:31,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 04:00:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2020-10-27 04:00:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2020-10-27 04:00:31,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:00:31,657 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:00:31,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:00:31,657 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:00:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:00:31,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2114856643, now seen corresponding path program 11 times [2020-10-27 04:00:31,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:00:31,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427865340] [2020-10-27 04:00:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:00:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 04:00:31,748 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 04:00:31,748 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 04:00:31,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 04:00:31,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:00:31 BoogieIcfgContainer [2020-10-27 04:00:31,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 04:00:31,845 INFO L168 Benchmark]: Toolchain (without parser) took 165012.74 ms. Allocated memory was 168.8 MB in the beginning and 746.6 MB in the end (delta: 577.8 MB). Free memory was 143.9 MB in the beginning and 699.5 MB in the end (delta: -555.6 MB). Peak memory consumption was 457.6 MB. Max. memory is 8.0 GB. [2020-10-27 04:00:31,846 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 168.8 MB. Free memory is still 139.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 04:00:31,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.22 ms. Allocated memory is still 168.8 MB. Free memory was 143.3 MB in the beginning and 134.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 04:00:31,849 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 ms. Allocated memory is still 168.8 MB. Free memory was 134.3 MB in the beginning and 132.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 04:00:31,854 INFO L168 Benchmark]: RCFGBuilder took 588.38 ms. Allocated memory is still 168.8 MB. Free memory was 132.8 MB in the beginning and 119.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-27 04:00:31,858 INFO L168 Benchmark]: TraceAbstraction took 164115.01 ms. Allocated memory was 168.8 MB in the beginning and 746.6 MB in the end (delta: 577.8 MB). Free memory was 119.2 MB in the beginning and 699.5 MB in the end (delta: -580.3 MB). Peak memory consumption was 432.5 MB. Max. memory is 8.0 GB. [2020-10-27 04:00:31,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 168.8 MB. Free memory is still 139.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.22 ms. Allocated memory is still 168.8 MB. Free memory was 143.3 MB in the beginning and 134.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.53 ms. Allocated memory is still 168.8 MB. Free memory was 134.3 MB in the beginning and 132.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 588.38 ms. Allocated memory is still 168.8 MB. Free memory was 132.8 MB in the beginning and 119.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 164115.01 ms. Allocated memory was 168.8 MB in the beginning and 746.6 MB in the end (delta: 577.8 MB). Free memory was 119.2 MB in the beginning and 699.5 MB in the end (delta: -580.3 MB). Peak memory consumption was 432.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L28] int x = __VERIFIER_nondet_int(); [L29] CALL, EXPR fibonacci(x) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND FALSE !(n < 1) [L19] COND FALSE !(n == 1) [L22] CALL, EXPR fibonacci(n-1) [L17] COND FALSE !(n < 1) [L19] COND TRUE n == 1 [L20] return 1; [L22] RET, EXPR fibonacci(n-1) [L22] CALL, EXPR fibonacci(n-2) [L17] COND TRUE n < 1 [L18] return 0; [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L22] RET, EXPR fibonacci(n-2) [L22] return fibonacci(n-1) + fibonacci(n-2); [L29] RET, EXPR fibonacci(x) [L29] int result = fibonacci(x); [L30] COND FALSE !(x < 8 || result >= 34) [L33] CALL reach_error() [L3] __assert_fail("0", "Fibonacci05.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 163.9s, OverallIterations: 15, TraceHistogramMax: 67, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 296 SDtfs, 843 SDslu, 452 SDs, 0 SdLazy, 2516 SolverSat, 919 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 618 GetRequests, 354 SyntacticMatches, 12 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 84 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 151.8s InterpolantComputationTime, 1705 NumberOfCodeBlocks, 1705 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1226 ConstructedInterpolants, 0 QuantifiedInterpolants, 484430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 8359/10795 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...