/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:07:15,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:07:15,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:07:15,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:07:15,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:07:15,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:07:15,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:07:15,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:07:15,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:07:15,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:07:15,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:07:15,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:07:15,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:07:15,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:07:15,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:07:15,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:07:15,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:07:15,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:07:15,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:07:15,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:07:15,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:07:15,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:07:15,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:07:15,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:07:15,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:07:15,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:07:15,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:07:15,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:07:15,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:07:15,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:07:15,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:07:15,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:07:15,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:07:15,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:07:15,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:07:15,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:07:15,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:07:15,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:07:15,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:07:15,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:07:15,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:07:15,816 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 [2020-10-29 12:07:15,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:07:15,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:07:15,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:07:15,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:07:15,863 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:07:15,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:07:15,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:07:15,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:07:15,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:07:15,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:07:15,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:07:15,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:07:15,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:07:15,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:07:15,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:07:15,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:07:15,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:07:15,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:07:15,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:07:15,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:07:15,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:07:15,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:07:15,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:07:15,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:07:15,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:07:15,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:07:15,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:07:15,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:07:15,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:07:15,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:07:16,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:07:16,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:07:16,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:07:16,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:07:16,283 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:07:16,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-29 12:07:16,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a45b8220/88e85396297143869f51a2e5f0b613f8/FLAG29ed0340d [2020-10-29 12:07:17,048 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:07:17,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-29 12:07:17,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a45b8220/88e85396297143869f51a2e5f0b613f8/FLAG29ed0340d [2020-10-29 12:07:17,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a45b8220/88e85396297143869f51a2e5f0b613f8 [2020-10-29 12:07:17,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:07:17,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:07:17,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:07:17,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:07:17,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:07:17,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ccacbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17, skipping insertion in model container [2020-10-29 12:07:17,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:07:17,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:07:17,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:07:17,682 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:07:17,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:07:17,719 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:07:17,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17 WrapperNode [2020-10-29 12:07:17,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:07:17,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:07:17,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:07:17,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:07:17,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (1/1) ... [2020-10-29 12:07:17,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:07:17,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:07:17,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:07:17,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:07:17,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (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 [2020-10-29 12:07:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:07:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:07:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:07:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:07:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:07:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:07:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:07:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:07:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:07:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:07:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:07:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:07:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:07:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:07:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:07:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:07:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:07:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:07:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:07:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:07:18,160 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:07:18,161 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:07:18,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:07:18 BoogieIcfgContainer [2020-10-29 12:07:18,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:07:18,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:07:18,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:07:18,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:07:18,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:07:17" (1/3) ... [2020-10-29 12:07:18,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe5369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:07:18, skipping insertion in model container [2020-10-29 12:07:18,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:07:17" (2/3) ... [2020-10-29 12:07:18,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe5369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:07:18, skipping insertion in model container [2020-10-29 12:07:18,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:07:18" (3/3) ... [2020-10-29 12:07:18,173 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-10-29 12:07:18,187 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:07:18,193 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:07:18,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:07:18,264 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:07:18,264 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:07:18,265 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:07:18,265 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:07:18,265 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:07:18,265 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:07:18,266 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:07:18,266 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:07:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:07:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:07:18,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:18,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:18,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:18,339 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:07:18,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:18,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104916619] [2020-10-29 12:07:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:19,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:07:19,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 694 [2020-10-29 12:07:19,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:19,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:19,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:07:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:19,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:19,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:19,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:19,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:19,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:19,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:19,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:19,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:19,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:19,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:19,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:07:19,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:19,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:19,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:07:19,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104916619] [2020-10-29 12:07:19,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:07:19,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:07:19,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202346215] [2020-10-29 12:07:19,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:07:19,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:19,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:07:19,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:07:19,529 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:07:20,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:20,007 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:07:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:07:20,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:07:20,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:20,020 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:07:20,020 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:07:20,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:07:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:07:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:07:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:07:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:07:20,075 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:07:20,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:20,076 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:07:20,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:07:20,076 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:07:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:07:20,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:20,079 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:20,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:07:20,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:07:20,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:20,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680854386] [2020-10-29 12:07:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:07:22,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:07:22,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2283 [2020-10-29 12:07:22,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:07:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:22,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-29 12:07:22,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:22,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:22,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:22,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:22,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:22,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:22,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:22,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:22,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:22,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:22,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:07:22,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680854386] [2020-10-29 12:07:22,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:22,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:07:22,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508668703] [2020-10-29 12:07:22,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:22,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:22,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:22,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:22,743 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:07:23,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:23,404 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-29 12:07:23,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:07:23,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:07:23,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:23,409 INFO L225 Difference]: With dead ends: 44 [2020-10-29 12:07:23,409 INFO L226 Difference]: Without dead ends: 39 [2020-10-29 12:07:23,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-29 12:07:23,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-29 12:07:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:07:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:07:23,440 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-29 12:07:23,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:23,440 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:07:23,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:07:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:07:23,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:23,445 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:23,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:07:23,445 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:23,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:23,447 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:07:23,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:23,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091513343] [2020-10-29 12:07:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:07:24,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:24,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 951 [2020-10-29 12:07:24,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:07:24,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:24,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:24,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:24,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:24,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:24,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 12:07:24,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:24,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:24,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:07:24,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:24,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:24,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:24,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:07:24,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091513343] [2020-10-29 12:07:24,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:24,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:07:24,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029976361] [2020-10-29 12:07:24,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:24,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:24,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:24,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:24,655 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-29 12:07:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:25,053 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2020-10-29 12:07:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:07:25,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:07:25,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:25,056 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:07:25,056 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:07:25,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:25,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:07:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2020-10-29 12:07:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:07:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:07:25,069 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 29 [2020-10-29 12:07:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:25,069 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:07:25,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:07:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 12:07:25,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:25,071 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:25,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:07:25,072 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:25,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:25,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-29 12:07:25,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:25,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595624624] [2020-10-29 12:07:25,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 12:07:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:07:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 12:07:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:30,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:30,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:30,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:07:32,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:07:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2383 [2020-10-29 12:07:32,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:07:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:07:32,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:32,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:32,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 12:07:32,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:32,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:07:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:32,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:32,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:32,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:32,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:32,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:32,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 12:07:32,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595624624] [2020-10-29 12:07:32,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:32,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:07:32,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096477688] [2020-10-29 12:07:32,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:32,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:32,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:32,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:32,680 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-29 12:07:33,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:33,085 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-29 12:07:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:07:33,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-29 12:07:33,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:33,088 INFO L225 Difference]: With dead ends: 52 [2020-10-29 12:07:33,088 INFO L226 Difference]: Without dead ends: 47 [2020-10-29 12:07:33,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-29 12:07:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2020-10-29 12:07:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-29 12:07:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2020-10-29 12:07:33,112 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 51 transitions. Word has length 41 [2020-10-29 12:07:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:33,112 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 51 transitions. [2020-10-29 12:07:33,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2020-10-29 12:07:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 12:07:33,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:33,117 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:33,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:07:33,117 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:33,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:33,118 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-29 12:07:33,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:33,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620314913] [2020-10-29 12:07:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:33,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:07:38,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:07:38,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:38,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:07:38,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:07:38,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:38,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:38,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:38,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:07:38,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-29 12:07:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:07:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:38,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:07:38,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:39,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:39,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:39,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:39,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:39,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:39,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:39,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:39,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 12:07:39,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620314913] [2020-10-29 12:07:39,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:39,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:07:39,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499868989] [2020-10-29 12:07:39,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:07:39,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:07:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:07:39,048 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. Second operand 8 states. [2020-10-29 12:07:39,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:39,412 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-29 12:07:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:07:39,412 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-10-29 12:07:39,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:39,414 INFO L225 Difference]: With dead ends: 52 [2020-10-29 12:07:39,414 INFO L226 Difference]: Without dead ends: 47 [2020-10-29 12:07:39,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:39,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-29 12:07:39,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 37. [2020-10-29 12:07:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:07:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:07:39,424 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 42 [2020-10-29 12:07:39,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:39,425 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:07:39,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:07:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:07:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:07:39,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:39,427 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:39,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:07:39,427 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:39,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:07:39,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:39,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588394776] [2020-10-29 12:07:39,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:07:44,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 12:07:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 12:07:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:46,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:46,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:46,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:46,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:07:49,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:07:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:49,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:07:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:49,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 12:07:49,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:49,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:49,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:49,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:49,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:49,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:49,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:49,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:07:49,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:49,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:49,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:49,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:49,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:49,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 12:07:49,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588394776] [2020-10-29 12:07:49,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:49,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:07:49,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833985128] [2020-10-29 12:07:49,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:07:49,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:49,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:07:49,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:07:49,776 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 10 states. [2020-10-29 12:07:50,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:50,335 INFO L93 Difference]: Finished difference Result 58 states and 83 transitions. [2020-10-29 12:07:50,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:07:50,336 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-29 12:07:50,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:50,339 INFO L225 Difference]: With dead ends: 58 [2020-10-29 12:07:50,339 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 12:07:50,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:07:50,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 12:07:50,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-29 12:07:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 12:07:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2020-10-29 12:07:50,354 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 54 [2020-10-29 12:07:50,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:50,355 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2020-10-29 12:07:50,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:07:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-10-29 12:07:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 12:07:50,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:50,356 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:50,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:07:50,357 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:50,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:50,357 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-29 12:07:50,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:50,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581449453] [2020-10-29 12:07:50,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:50,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:07:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:07:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:55,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 12:07:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:08:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:00,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 12:08:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:00,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:00,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:00,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:00,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:00,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:00,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:00,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 12:08:00,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581449453] [2020-10-29 12:08:00,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:00,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:08:00,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250181907] [2020-10-29 12:08:00,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:08:00,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:00,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:08:00,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:08:00,636 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 10 states. [2020-10-29 12:08:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:01,245 INFO L93 Difference]: Finished difference Result 68 states and 107 transitions. [2020-10-29 12:08:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:08:01,246 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-29 12:08:01,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:01,249 INFO L225 Difference]: With dead ends: 68 [2020-10-29 12:08:01,249 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 12:08:01,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:08:01,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 12:08:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2020-10-29 12:08:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-29 12:08:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2020-10-29 12:08:01,266 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 56 [2020-10-29 12:08:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:01,267 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2020-10-29 12:08:01,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:08:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2020-10-29 12:08:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 12:08:01,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:01,269 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:01,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:08:01,269 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash 921008892, now seen corresponding path program 2 times [2020-10-29 12:08:01,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:01,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999828352] [2020-10-29 12:08:01,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:08:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2379 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:08:08,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:08:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:08,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 12:08:08,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999828352] [2020-10-29 12:08:08,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:08,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:08:08,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358204953] [2020-10-29 12:08:08,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:08:08,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:08,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:08:08,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:08:08,922 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand 10 states. [2020-10-29 12:08:09,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:09,503 INFO L93 Difference]: Finished difference Result 92 states and 172 transitions. [2020-10-29 12:08:09,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:08:09,506 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-29 12:08:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:09,509 INFO L225 Difference]: With dead ends: 92 [2020-10-29 12:08:09,509 INFO L226 Difference]: Without dead ends: 87 [2020-10-29 12:08:09,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:08:09,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-29 12:08:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 70. [2020-10-29 12:08:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-29 12:08:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 117 transitions. [2020-10-29 12:08:09,530 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 117 transitions. Word has length 57 [2020-10-29 12:08:09,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:09,531 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 117 transitions. [2020-10-29 12:08:09,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:08:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2020-10-29 12:08:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-29 12:08:09,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:09,533 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:09,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:08:09,533 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:09,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:09,534 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-29 12:08:09,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:09,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548641411] [2020-10-29 12:08:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:14,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 12:08:14,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:08:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:08:14,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:14,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 12:08:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:14,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:14,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:14,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:14,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:14,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:19,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:08:19,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:19,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:20,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:08:20,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:08:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 444 [2020-10-29 12:08:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:20,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 12:08:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:20,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:20,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:20,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:20,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:20,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:20,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:20,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:20,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:20,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:20,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:20,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:20,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:20,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:20,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:08:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:20,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:21,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:08:21,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:08:21,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-29 12:08:21,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:21,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:08:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:21,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:21,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:21,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:21,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:08:21,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:21,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:21,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:21,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:21,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:21,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:21,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:21,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:21,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:21,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:21,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:21,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:21,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:21,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:21,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:21,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:21,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:21,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:21,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:21,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:21,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:21,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:21,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:21,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:21,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:21,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:21,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 30 proven. 51 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-29 12:08:21,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548641411] [2020-10-29 12:08:21,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:21,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:08:21,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487698938] [2020-10-29 12:08:21,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:08:21,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:21,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:08:21,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:08:21,230 INFO L87 Difference]: Start difference. First operand 70 states and 117 transitions. Second operand 15 states. [2020-10-29 12:08:22,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:22,542 INFO L93 Difference]: Finished difference Result 157 states and 308 transitions. [2020-10-29 12:08:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:08:22,544 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 82 [2020-10-29 12:08:22,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:22,546 INFO L225 Difference]: With dead ends: 157 [2020-10-29 12:08:22,546 INFO L226 Difference]: Without dead ends: 87 [2020-10-29 12:08:22,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:08:22,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-29 12:08:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 80. [2020-10-29 12:08:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-29 12:08:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 118 transitions. [2020-10-29 12:08:22,567 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 118 transitions. Word has length 82 [2020-10-29 12:08:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:22,568 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 118 transitions. [2020-10-29 12:08:22,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:08:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2020-10-29 12:08:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-29 12:08:22,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:22,572 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:22,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:08:22,573 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:22,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2074730526, now seen corresponding path program 1 times [2020-10-29 12:08:22,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:22,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165506813] [2020-10-29 12:08:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 12:08:27,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:08:27,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 12:08:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:28,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:28,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:28,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 12:08:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:32,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:32,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:33,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:08:33,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:33,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:33,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:08:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:33,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:33,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:33,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:33,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:33,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:33,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:33,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:33,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:33,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-29 12:08:33,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165506813] [2020-10-29 12:08:33,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:33,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:08:33,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342095808] [2020-10-29 12:08:33,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:08:33,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:33,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:08:33,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:08:33,724 INFO L87 Difference]: Start difference. First operand 80 states and 118 transitions. Second operand 10 states. [2020-10-29 12:08:34,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:34,304 INFO L93 Difference]: Finished difference Result 98 states and 147 transitions. [2020-10-29 12:08:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:08:34,304 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-10-29 12:08:34,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:34,307 INFO L225 Difference]: With dead ends: 98 [2020-10-29 12:08:34,307 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 12:08:34,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:08:34,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 12:08:34,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2020-10-29 12:08:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-29 12:08:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-10-29 12:08:34,327 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 83 [2020-10-29 12:08:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:34,327 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-10-29 12:08:34,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:08:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-10-29 12:08:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-29 12:08:34,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:34,330 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:34,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:08:34,330 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:34,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash 862875969, now seen corresponding path program 1 times [2020-10-29 12:08:34,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:34,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511846521] [2020-10-29 12:08:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:34,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:39,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:39,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:39,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 12:08:39,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:39,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:39,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:39,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:39,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 12:08:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:44,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:08:47,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:08:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2981 [2020-10-29 12:08:47,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:08:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:08:47,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:47,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:47,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:47,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:47,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 12:08:47,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 12:08:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:08:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:52,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:52,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:52,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:52,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:52,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:52,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:52,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:52,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:52,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:52,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:52,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 55 proven. 72 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-10-29 12:08:52,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511846521] [2020-10-29 12:08:52,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:52,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:08:52,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541400622] [2020-10-29 12:08:52,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:08:52,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:52,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:08:52,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:08:52,745 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 14 states. [2020-10-29 12:08:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:54,104 INFO L93 Difference]: Finished difference Result 193 states and 359 transitions. [2020-10-29 12:08:54,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:08:54,105 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-10-29 12:08:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:54,107 INFO L225 Difference]: With dead ends: 193 [2020-10-29 12:08:54,110 INFO L226 Difference]: Without dead ends: 86 [2020-10-29 12:08:54,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:08:54,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-29 12:08:54,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 70. [2020-10-29 12:08:54,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-29 12:08:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2020-10-29 12:08:54,138 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 108 [2020-10-29 12:08:54,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:54,142 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2020-10-29 12:08:54,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:08:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2020-10-29 12:08:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 12:08:54,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:54,144 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:54,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:08:54,144 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:54,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:54,145 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 2 times [2020-10-29 12:08:54,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:54,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364347682] [2020-10-29 12:08:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:08:59,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-29 12:08:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:08:59,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:59,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 12:08:59,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:09:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:06,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:09:09,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:09:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:09:09,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:09:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:09,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:09,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:09,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:09,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:09,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:09:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:09:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:14,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:14,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:14,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:14,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:14,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:14,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:14,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 62 proven. 91 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-29 12:09:14,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364347682] [2020-10-29 12:09:14,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:14,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:09:14,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532930652] [2020-10-29 12:09:14,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:09:14,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:14,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:09:14,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:09:14,549 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand 14 states. [2020-10-29 12:09:15,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:15,708 INFO L93 Difference]: Finished difference Result 181 states and 304 transitions. [2020-10-29 12:09:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:09:15,708 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-10-29 12:09:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:15,710 INFO L225 Difference]: With dead ends: 181 [2020-10-29 12:09:15,710 INFO L226 Difference]: Without dead ends: 118 [2020-10-29 12:09:15,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:09:15,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-29 12:09:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2020-10-29 12:09:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-29 12:09:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2020-10-29 12:09:15,750 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 110 [2020-10-29 12:09:15,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:15,751 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2020-10-29 12:09:15,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:09:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2020-10-29 12:09:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 12:09:15,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:15,757 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:09:15,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:09:15,757 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:15,758 INFO L82 PathProgramCache]: Analyzing trace with hash -455622577, now seen corresponding path program 2 times [2020-10-29 12:09:15,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:15,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894530499] [2020-10-29 12:09:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:15,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:16,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:16,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:16,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:09:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:09:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 12:09:20,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:20,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:20,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:20,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:25,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-29 12:09:25,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:09:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:09:25,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:25,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:09:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:09:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:25,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:25,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:28,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:09:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:30,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:09:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:09:31,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:09:31,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-29 12:09:31,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:31,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:31,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:31,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:31,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:31,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:09:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:31,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:31,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:31,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:31,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:31,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:31,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:31,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:31,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:31,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:09:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:09:36,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:09:36,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:09:36,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 12:09:36,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:09:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:36,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:36,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:36,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:36,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:36,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:36,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:09:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:36,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:09:36,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:36,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:36,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:36,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 108 proven. 106 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-10-29 12:09:37,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894530499] [2020-10-29 12:09:37,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:37,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:09:37,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520742988] [2020-10-29 12:09:37,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:09:37,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:37,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:09:37,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:09:37,036 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand 15 states. [2020-10-29 12:09:38,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:38,649 INFO L93 Difference]: Finished difference Result 225 states and 407 transitions. [2020-10-29 12:09:38,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 12:09:38,650 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2020-10-29 12:09:38,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:38,652 INFO L225 Difference]: With dead ends: 225 [2020-10-29 12:09:38,652 INFO L226 Difference]: Without dead ends: 100 [2020-10-29 12:09:38,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=186, Invalid=870, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 12:09:38,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-29 12:09:38,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2020-10-29 12:09:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-29 12:09:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2020-10-29 12:09:38,682 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 136 [2020-10-29 12:09:38,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:38,684 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2020-10-29 12:09:38,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:09:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2020-10-29 12:09:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-29 12:09:38,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:38,690 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 9, 8, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:09:38,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:09:38,690 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:38,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:38,691 INFO L82 PathProgramCache]: Analyzing trace with hash -904308175, now seen corresponding path program 3 times [2020-10-29 12:09:38,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:38,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178129366] [2020-10-29 12:09:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:38,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:43,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-29 12:09:43,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:09:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 12:09:43,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:43,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:09:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:09:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 12:09:43,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:43,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:43,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:43,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:44,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:44,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:44,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:44,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:47,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:09:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:48,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:48,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:49,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:50,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:50,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:50,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:09:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:09:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:55,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:09:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1151 [2020-10-29 12:09:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:09:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:55,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:09:55,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:55,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:55,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:55,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:55,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:09:55,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:09:55,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-29 12:09:55,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:09:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:55,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:09:55,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:55,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:55,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:55,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:55,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:55,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:55,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:55,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:55,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 12:09:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:55,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:55,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:00,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 12:10:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:00,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:01,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:10:01,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-29 12:10:01,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:10:01,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:01,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:01,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:01,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:01,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:10:01,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:10:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 489 [2020-10-29 12:10:01,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:10:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:01,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:01,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:01,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:01,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:01,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:01,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:01,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:01,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:01,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:01,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:01,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:01,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 144 proven. 191 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-10-29 12:10:01,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178129366] [2020-10-29 12:10:01,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:10:01,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:10:01,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71733662] [2020-10-29 12:10:01,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:10:01,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:10:01,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:10:01,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:10:01,819 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand 14 states. [2020-10-29 12:10:02,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:10:02,785 INFO L93 Difference]: Finished difference Result 204 states and 338 transitions. [2020-10-29 12:10:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:10:02,785 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 164 [2020-10-29 12:10:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:10:02,788 INFO L225 Difference]: With dead ends: 204 [2020-10-29 12:10:02,788 INFO L226 Difference]: Without dead ends: 117 [2020-10-29 12:10:02,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:10:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-29 12:10:02,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2020-10-29 12:10:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-29 12:10:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2020-10-29 12:10:02,806 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 164 [2020-10-29 12:10:02,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:10:02,807 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2020-10-29 12:10:02,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:10:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2020-10-29 12:10:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-29 12:10:02,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:10:02,812 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:10:02,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:10:02,812 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:10:02,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:10:02,813 INFO L82 PathProgramCache]: Analyzing trace with hash -2126309203, now seen corresponding path program 4 times [2020-10-29 12:10:02,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:10:02,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681095022] [2020-10-29 12:10:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:10:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:02,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:02,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:07,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-29 12:10:07,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:10:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 12:10:07,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:07,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:10:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:10:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-10-29 12:10:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:10:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:07,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:07,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:10:07,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:07,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:07,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:07,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:07,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:10:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:13,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-29 12:10:13,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-10-29 12:10:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:13,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:13,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:14,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 12:10:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:18,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:18,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:18,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:19,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:10:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:10:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:23,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:23,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:23,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:23,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 12:10:23,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:23,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:10:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:23,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:25,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:26,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:26,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:10:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:10:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:28,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:28,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1728 [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:30,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:10:30,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:30,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:10:30,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:30,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:30,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:30,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:30,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:30,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:30,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:30,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:30,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:30,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:10:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:30,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:30,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:30,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:10:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:10:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:30,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:30,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:30,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:30,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 12:10:30,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:30,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:30,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 12:10:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:30,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:31,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:32,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:32,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:34,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-29 12:10:35,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:35,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:10:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:35,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:10:35,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:35,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:35,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:35,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:35,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:35,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:35,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:35,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:35,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:35,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:35,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:35,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:35,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:35,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:36,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:40,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:40,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:10:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:10:40,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:40,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:10:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:40,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:40,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:41,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:45,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:45,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:10:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:45,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:45,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:10:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:46,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:46,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:46,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:46,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:46,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:46,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:46,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:46,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:46,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:46,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:46,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:10:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:46,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:10:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:46,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:46,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:46,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:46,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 395 proven. 496 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2020-10-29 12:10:46,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681095022] [2020-10-29 12:10:46,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:10:46,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 12:10:46,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131200219] [2020-10-29 12:10:46,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 12:10:46,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:10:46,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 12:10:46,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:10:46,489 INFO L87 Difference]: Start difference. First operand 114 states and 169 transitions. Second operand 16 states. [2020-10-29 12:10:48,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:10:48,084 INFO L93 Difference]: Finished difference Result 254 states and 439 transitions. [2020-10-29 12:10:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:10:48,085 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 274 [2020-10-29 12:10:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:10:48,088 INFO L225 Difference]: With dead ends: 254 [2020-10-29 12:10:48,092 INFO L226 Difference]: Without dead ends: 142 [2020-10-29 12:10:48,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 81 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2020-10-29 12:10:48,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-29 12:10:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2020-10-29 12:10:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-29 12:10:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 212 transitions. [2020-10-29 12:10:48,120 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 212 transitions. Word has length 274 [2020-10-29 12:10:48,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:10:48,121 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 212 transitions. [2020-10-29 12:10:48,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 12:10:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2020-10-29 12:10:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-29 12:10:48,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:10:48,126 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 14, 14, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:10:48,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:10:48,126 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:10:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:10:48,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1378696466, now seen corresponding path program 5 times [2020-10-29 12:10:48,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:10:48,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057301683] [2020-10-29 12:10:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:10:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:48,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:52,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-29 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-29 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:10:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:10:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 12:10:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:10:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:53,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:53,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:10:53,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:10:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:53,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:53,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:54,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:55,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:55,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:10:58,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:58,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:59,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:11:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:11:03,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:11:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:11:03,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:04,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:04,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:04,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:05,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:11:06,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking...