/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=NARROWEST --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem06_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 07:02:29,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 07:02:29,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 07:02:29,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 07:02:29,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 07:02:29,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 07:02:29,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 07:02:29,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 07:02:29,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 07:02:29,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 07:02:29,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 07:02:29,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 07:02:29,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 07:02:29,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 07:02:29,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 07:02:29,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 07:02:29,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 07:02:29,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 07:02:29,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 07:02:29,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 07:02:29,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 07:02:29,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 07:02:29,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 07:02:29,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 07:02:29,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 07:02:29,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 07:02:29,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 07:02:29,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 07:02:29,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 07:02:29,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 07:02:29,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 07:02:29,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 07:02:29,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 07:02:29,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 07:02:29,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 07:02:29,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 07:02:29,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 07:02:29,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 07:02:29,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 07:02:29,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 07:02:29,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 07:02:29,802 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 [2020-10-13 07:02:29,842 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 07:02:29,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 07:02:29,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 07:02:29,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 07:02:29,846 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 07:02:29,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 07:02:29,847 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 07:02:29,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 07:02:29,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 07:02:29,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 07:02:29,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 07:02:29,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 07:02:29,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 07:02:29,848 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 07:02:29,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 07:02:29,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 07:02:29,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 07:02:29,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 07:02:29,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 07:02:29,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 07:02:29,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 07:02:29,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 07:02:29,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 07:02:29,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 07:02:29,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 07:02:29,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 07:02:29,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 07:02:29,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 07:02:29,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 07:02:29,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 07:02:30,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 07:02:30,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 07:02:30,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 07:02:30,178 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 07:02:30,178 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 07:02:30,179 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label11.c [2020-10-13 07:02:30,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f4d03fa6/04d612097f2142eb91061e8e8e68d3b1/FLAGf8b438c6d [2020-10-13 07:02:31,130 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 07:02:31,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem06_label11.c [2020-10-13 07:02:31,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f4d03fa6/04d612097f2142eb91061e8e8e68d3b1/FLAGf8b438c6d [2020-10-13 07:02:31,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f4d03fa6/04d612097f2142eb91061e8e8e68d3b1 [2020-10-13 07:02:31,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 07:02:31,602 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 07:02:31,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 07:02:31,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 07:02:31,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 07:02:31,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:31" (1/1) ... [2020-10-13 07:02:31,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5d5e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:31, skipping insertion in model container [2020-10-13 07:02:31,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:31" (1/1) ... [2020-10-13 07:02:31,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 07:02:31,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 07:02:34,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 07:02:34,275 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 07:02:35,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 07:02:35,532 INFO L208 MainTranslator]: Completed translation [2020-10-13 07:02:35,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35 WrapperNode [2020-10-13 07:02:35,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 07:02:35,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 07:02:35,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 07:02:35,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 07:02:35,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (1/1) ... [2020-10-13 07:02:35,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 07:02:35,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 07:02:35,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 07:02:35,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 07:02:35,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (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 [2020-10-13 07:02:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 07:02:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 07:02:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 07:02:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-13 07:02:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-13 07:02:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-13 07:02:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-13 07:02:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 07:02:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 07:02:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-13 07:02:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-13 07:02:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-13 07:02:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-13 07:02:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 07:02:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 07:02:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 07:02:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 07:02:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 07:02:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 07:02:42,508 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 07:02:42,508 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 07:02:42,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:42 BoogieIcfgContainer [2020-10-13 07:02:42,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 07:02:42,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 07:02:42,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 07:02:42,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 07:02:42,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:31" (1/3) ... [2020-10-13 07:02:42,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dd9b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:42, skipping insertion in model container [2020-10-13 07:02:42,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:35" (2/3) ... [2020-10-13 07:02:42,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dd9b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:42, skipping insertion in model container [2020-10-13 07:02:42,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:42" (3/3) ... [2020-10-13 07:02:42,533 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem06_label11.c [2020-10-13 07:02:42,543 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 07:02:42,552 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 07:02:42,564 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 07:02:42,593 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 07:02:42,593 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 07:02:42,593 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 07:02:42,593 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 07:02:42,594 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 07:02:42,594 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 07:02:42,594 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 07:02:42,594 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 07:02:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2020-10-13 07:02:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2020-10-13 07:02:42,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:02:42,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 07:02:42,686 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:02:42,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:02:42,693 INFO L82 PathProgramCache]: Analyzing trace with hash 673722815, now seen corresponding path program 1 times [2020-10-13 07:02:42,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:02:42,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419071564] [2020-10-13 07:02:42,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:02:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:02:44,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:02:48,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:02:49,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:02:49,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 962 [2020-10-13 07:02:49,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:02:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5355 [2020-10-13 07:02:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:02:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-13 07:02:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:02:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 769 [2020-10-13 07:02:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 07:02:54,806 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 63 [2020-10-13 07:02:54,996 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2020-10-13 07:02:55,317 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2020-10-13 07:02:55,626 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2020-10-13 07:02:55,865 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2020-10-13 07:02:56,228 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2020-10-13 07:02:56,555 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 72 [2020-10-13 07:02:56,861 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2020-10-13 07:02:57,249 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2020-10-13 07:02:57,541 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 57 [2020-10-13 07:02:57,780 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-10-13 07:02:58,019 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-10-13 07:02:58,645 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:02:58,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:02:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:02:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:02:58,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:02:58,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:02:58,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:02:58,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 07:02:58,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:02:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:02:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:02:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:02:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:02:58,876 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2020-10-13 07:03:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 07:03:10,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419071564] [2020-10-13 07:03:10,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 07:03:10,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-13 07:03:10,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107861083] [2020-10-13 07:03:10,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-13 07:03:10,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 07:03:10,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-13 07:03:10,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2020-10-13 07:03:10,934 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 20 states. [2020-10-13 07:03:11,269 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-13 07:03:11,971 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2020-10-13 07:03:12,629 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2020-10-13 07:03:13,435 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 176 [2020-10-13 07:03:17,448 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 175 [2020-10-13 07:03:20,713 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 174 [2020-10-13 07:03:23,054 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 164 [2020-10-13 07:03:23,752 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 170 [2020-10-13 07:03:24,684 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 169 [2020-10-13 07:03:33,647 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2020-10-13 07:03:34,304 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 167 [2020-10-13 07:03:37,142 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 169 [2020-10-13 07:03:44,390 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2020-10-13 07:03:45,096 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 167 [2020-10-13 07:03:47,398 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2020-10-13 07:03:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 07:03:59,290 INFO L93 Difference]: Finished difference Result 3396 states and 6359 transitions. [2020-10-13 07:03:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 07:03:59,294 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 946 [2020-10-13 07:03:59,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 07:03:59,335 INFO L225 Difference]: With dead ends: 3396 [2020-10-13 07:03:59,335 INFO L226 Difference]: Without dead ends: 2019 [2020-10-13 07:03:59,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=192, Invalid=998, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 07:03:59,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2020-10-13 07:03:59,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 2019. [2020-10-13 07:03:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2019 states. [2020-10-13 07:03:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 3053 transitions. [2020-10-13 07:03:59,504 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 3053 transitions. Word has length 946 [2020-10-13 07:03:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 07:03:59,507 INFO L479 AbstractCegarLoop]: Abstraction has 2019 states and 3053 transitions. [2020-10-13 07:03:59,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-13 07:03:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 3053 transitions. [2020-10-13 07:03:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2020-10-13 07:03:59,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:03:59,552 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 07:03:59,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 07:03:59,553 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:03:59,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:03:59,554 INFO L82 PathProgramCache]: Analyzing trace with hash -381556014, now seen corresponding path program 1 times [2020-10-13 07:03:59,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:03:59,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888550410] [2020-10-13 07:03:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:04:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:01,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:05,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:05,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1034 [2020-10-13 07:04:05,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:04:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 07:04:05,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 07:04:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:04:05,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 07:04:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 07:04:05,458 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:04:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:04:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:05,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:05,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:04:05,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:04:05,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 07:04:05,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:05,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:04:05,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:04:05,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:04:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 07:04:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:05,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:05,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:05,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 07:04:05,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:04:05,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-13 07:04:05,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 07:04:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:04:05,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 07:04:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 07:04:07,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888550410] [2020-10-13 07:04:07,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 07:04:07,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 07:04:07,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601567115] [2020-10-13 07:04:07,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 07:04:07,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 07:04:07,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 07:04:07,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 07:04:07,101 INFO L87 Difference]: Start difference. First operand 2019 states and 3053 transitions. Second operand 8 states. [2020-10-13 07:04:07,269 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 07:04:08,551 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 07:04:10,695 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-13 07:04:35,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 07:04:35,686 INFO L93 Difference]: Finished difference Result 5653 states and 9692 transitions. [2020-10-13 07:04:35,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 07:04:35,687 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1016 [2020-10-13 07:04:35,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 07:04:35,715 INFO L225 Difference]: With dead ends: 5653 [2020-10-13 07:04:35,715 INFO L226 Difference]: Without dead ends: 4394 [2020-10-13 07:04:35,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 07:04:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2020-10-13 07:04:35,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4288. [2020-10-13 07:04:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4288 states. [2020-10-13 07:04:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 6547 transitions. [2020-10-13 07:04:35,864 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 6547 transitions. Word has length 1016 [2020-10-13 07:04:35,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 07:04:35,865 INFO L479 AbstractCegarLoop]: Abstraction has 4288 states and 6547 transitions. [2020-10-13 07:04:35,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 07:04:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 6547 transitions. [2020-10-13 07:04:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2020-10-13 07:04:35,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:04:35,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 07:04:35,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 07:04:35,891 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:04:35,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:04:35,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1506947157, now seen corresponding path program 1 times [2020-10-13 07:04:35,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:04:35,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618621980] [2020-10-13 07:04:35,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:04:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:37,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:41,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:41,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1086 [2020-10-13 07:04:41,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:04:41,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 07:04:41,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 07:04:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:04:41,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 552 [2020-10-13 07:04:41,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:43,117 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-10-13 07:04:43,278 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-10-13 07:04:43,430 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-10-13 07:04:43,572 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-10-13 07:04:43,707 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-13 07:04:44,009 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2020-10-13 07:04:44,183 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2020-10-13 07:04:44,338 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-10-13 07:04:44,484 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-10-13 07:04:44,646 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:04:44,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:04:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:44,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:44,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:04:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 07:04:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:44,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:45,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:45,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 07:04:45,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:04:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-13 07:04:45,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 07:04:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:04:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-13 07:04:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 07:04:53,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618621980] [2020-10-13 07:04:53,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 07:04:53,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 07:04:53,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311378126] [2020-10-13 07:04:53,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 07:04:53,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 07:04:53,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 07:04:53,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2020-10-13 07:04:53,706 INFO L87 Difference]: Start difference. First operand 4288 states and 6547 transitions. Second operand 18 states. [2020-10-13 07:04:53,951 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-13 07:04:55,951 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2020-10-13 07:04:56,222 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-10-13 07:04:56,564 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2020-10-13 07:04:57,229 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 166 [2020-10-13 07:04:58,040 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 174 [2020-10-13 07:04:59,333 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 173 [2020-10-13 07:05:02,565 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 172 [2020-10-13 07:05:11,534 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 170 [2020-10-13 07:05:12,309 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 184 [2020-10-13 07:05:13,632 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 181 [2020-10-13 07:05:22,769 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 178 [2020-10-13 07:05:24,126 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 174 [2020-10-13 07:05:46,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 07:05:46,571 INFO L93 Difference]: Finished difference Result 11830 states and 19125 transitions. [2020-10-13 07:05:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 07:05:46,572 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1068 [2020-10-13 07:05:46,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 07:05:46,608 INFO L225 Difference]: With dead ends: 11830 [2020-10-13 07:05:46,608 INFO L226 Difference]: Without dead ends: 8302 [2020-10-13 07:05:46,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=218, Invalid=774, Unknown=0, NotChecked=0, Total=992 [2020-10-13 07:05:46,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8302 states. [2020-10-13 07:05:46,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8302 to 8173. [2020-10-13 07:05:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8173 states. [2020-10-13 07:05:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8173 states to 8173 states and 12575 transitions. [2020-10-13 07:05:46,820 INFO L78 Accepts]: Start accepts. Automaton has 8173 states and 12575 transitions. Word has length 1068 [2020-10-13 07:05:46,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 07:05:46,821 INFO L479 AbstractCegarLoop]: Abstraction has 8173 states and 12575 transitions. [2020-10-13 07:05:46,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 07:05:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 8173 states and 12575 transitions. [2020-10-13 07:05:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2020-10-13 07:05:46,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:05:46,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 07:05:46,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 07:05:46,852 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:05:46,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:05:46,853 INFO L82 PathProgramCache]: Analyzing trace with hash 752623426, now seen corresponding path program 1 times [2020-10-13 07:05:46,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:05:46,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70797115] [2020-10-13 07:05:46,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:05:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:05:47,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:52,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:05:52,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1113 [2020-10-13 07:05:52,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:05:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-13 07:05:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:05:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 07:05:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:05:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 891 [2020-10-13 07:05:52,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:05:55,370 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-10-13 07:05:55,848 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2020-10-13 07:05:56,174 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2020-10-13 07:05:56,497 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2020-10-13 07:05:56,958 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 103 [2020-10-13 07:05:57,610 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 103 [2020-10-13 07:05:58,148 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 98 [2020-10-13 07:05:58,533 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 78 [2020-10-13 07:05:58,884 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-13 07:05:59,092 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-10-13 07:05:59,276 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-10-13 07:05:59,429 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-10-13 07:05:59,831 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:05:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:05:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:05:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:59,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:05:59,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:05:59,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:05:59,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 07:05:59,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:05:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:05:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:05:59,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:05:59,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:05:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 07:06:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:06:00,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:00,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:06:00,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 07:06:00,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:06:00,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 07:06:00,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:06:00,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 07:06:00,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:06:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-13 07:06:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:06:00,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 07:06:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:06:00,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:06:00,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 07:06:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:06:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 07:06:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:06:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 07:06:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:06:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 07:06:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0