/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/recursive-simple/id_o200.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:35:48,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:35:48,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:35:48,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:35:48,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:35:48,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:35:48,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:35:48,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:35:48,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:35:48,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:35:48,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:35:48,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:35:48,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:35:48,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:35:48,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:35:48,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:35:48,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:35:48,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:35:48,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:35:48,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:35:48,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:35:48,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:35:48,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:35:48,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:35:48,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:35:48,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:35:48,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:35:48,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:35:48,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:35:48,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:35:48,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:35:48,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:35:48,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:35:48,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:35:48,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:35:48,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:35:48,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:35:48,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:35:48,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:35:48,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:35:48,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:35:48,808 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 [2020-10-14 07:35:48,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:35:48,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:35:48,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:35:48,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:35:48,856 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:35:48,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:35:48,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:35:48,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:35:48,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:35:48,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:35:48,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:35:48,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:35:48,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:35:48,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:35:48,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:35:48,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:35:48,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:35:48,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:35:48,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:35:48,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:35:48,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:35:48,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:35:48,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:35:48,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:35:48,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:35:48,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:35:48,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:35:48,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:35:48,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:35:48,862 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:35:49,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:35:49,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:35:49,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:35:49,206 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:35:49,206 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:35:49,207 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_o200.c [2020-10-14 07:35:49,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a0928308/cf9c6bf478d848669754cae57eb3873e/FLAGbdc4ecf41 [2020-10-14 07:35:49,719 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:35:49,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_o200.c [2020-10-14 07:35:49,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a0928308/cf9c6bf478d848669754cae57eb3873e/FLAGbdc4ecf41 [2020-10-14 07:35:50,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a0928308/cf9c6bf478d848669754cae57eb3873e [2020-10-14 07:35:50,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:35:50,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:35:50,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:35:50,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:35:50,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:35:50,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb42231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50, skipping insertion in model container [2020-10-14 07:35:50,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:35:50,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:35:50,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:35:50,338 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:35:50,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:35:50,367 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:35:50,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50 WrapperNode [2020-10-14 07:35:50,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:35:50,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:35:50,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:35:50,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:35:50,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (1/1) ... [2020-10-14 07:35:50,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:35:50,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:35:50,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:35:50,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:35:50,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (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 [2020-10-14 07:35:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:35:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:35:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-14 07:35:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:35:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 07:35:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:35:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-14 07:35:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:35:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:35:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:35:50,716 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:35:50,716 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 07:35:50,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:35:50 BoogieIcfgContainer [2020-10-14 07:35:50,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:35:50,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:35:50,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:35:50,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:35:50,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:35:50" (1/3) ... [2020-10-14 07:35:50,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e17336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:35:50, skipping insertion in model container [2020-10-14 07:35:50,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:35:50" (2/3) ... [2020-10-14 07:35:50,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e17336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:35:50, skipping insertion in model container [2020-10-14 07:35:50,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:35:50" (3/3) ... [2020-10-14 07:35:50,729 INFO L109 eAbstractionObserver]: Analyzing ICFG id_o200.c [2020-10-14 07:35:50,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:35:50,747 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:35:50,760 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:35:50,784 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:35:50,785 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:35:50,785 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:35:50,785 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:35:50,785 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:35:50,785 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:35:50,785 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:35:50,786 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:35:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-14 07:35:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 07:35:50,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:50,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:50,812 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:50,817 INFO L82 PathProgramCache]: Analyzing trace with hash -872342019, now seen corresponding path program 1 times [2020-10-14 07:35:50,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:50,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625072020] [2020-10-14 07:35:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:50,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 07:35:51,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 07:35:51,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:35:51,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 07:35:51,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:51,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:35:51,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:51,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:35:51,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:51,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:51,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:35:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:35:51,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625072020] [2020-10-14 07:35:51,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:35:51,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:35:51,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496268943] [2020-10-14 07:35:51,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:35:51,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:51,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:35:51,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:35:51,416 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-10-14 07:35:51,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:51,462 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-10-14 07:35:51,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:35:51,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-14 07:35:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:51,476 INFO L225 Difference]: With dead ends: 32 [2020-10-14 07:35:51,477 INFO L226 Difference]: Without dead ends: 18 [2020-10-14 07:35:51,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:35:51,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-14 07:35:51,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-14 07:35:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-14 07:35:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-14 07:35:51,528 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2020-10-14 07:35:51,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:51,528 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-14 07:35:51,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:35:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-14 07:35:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-14 07:35:51,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:51,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:51,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:35:51,532 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:51,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:51,533 INFO L82 PathProgramCache]: Analyzing trace with hash -953570577, now seen corresponding path program 1 times [2020-10-14 07:35:51,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:51,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190995766] [2020-10-14 07:35:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:51,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 07:35:51,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 07:35:51,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 07:35:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 07:35:51,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 07:35:51,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:35:51,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:51,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:51,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:51,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:51,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 07:35:51,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:51,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:51,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:51,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:35:51,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:51,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:51,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 07:35:51,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190995766] [2020-10-14 07:35:51,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:51,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 07:35:51,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471990582] [2020-10-14 07:35:51,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 07:35:51,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:51,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 07:35:51,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:35:51,967 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2020-10-14 07:35:52,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:52,012 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-10-14 07:35:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:35:52,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-14 07:35:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:52,017 INFO L225 Difference]: With dead ends: 25 [2020-10-14 07:35:52,017 INFO L226 Difference]: Without dead ends: 21 [2020-10-14 07:35:52,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:35:52,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-14 07:35:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-14 07:35:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-14 07:35:52,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-14 07:35:52,031 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2020-10-14 07:35:52,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:52,033 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-14 07:35:52,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 07:35:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-14 07:35:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 07:35:52,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:52,035 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:52,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:35:52,036 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:52,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:52,036 INFO L82 PathProgramCache]: Analyzing trace with hash 397359997, now seen corresponding path program 2 times [2020-10-14 07:35:52,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:52,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764530475] [2020-10-14 07:35:52,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:52,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:52,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 07:35:52,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:52,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-14 07:35:52,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:52,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:35:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 07:35:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 07:35:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:35:52,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:52,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:52,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:52,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:52,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:35:52,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:52,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:52,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:35:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:52,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:52,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:52,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:35:52,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:52,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 07:35:52,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:52,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:35:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:52,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:52,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 07:35:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:52,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:35:52,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:52,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:52,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:52,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:35:52,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:52,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:52,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 07:35:52,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764530475] [2020-10-14 07:35:52,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:52,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 07:35:52,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165220227] [2020-10-14 07:35:52,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:35:52,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:52,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:35:52,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:35:52,731 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2020-10-14 07:35:52,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:52,782 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-14 07:35:52,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:35:52,784 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-10-14 07:35:52,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:52,785 INFO L225 Difference]: With dead ends: 28 [2020-10-14 07:35:52,786 INFO L226 Difference]: Without dead ends: 24 [2020-10-14 07:35:52,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:35:52,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-14 07:35:52,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-14 07:35:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-14 07:35:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-14 07:35:52,798 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 25 [2020-10-14 07:35:52,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:52,799 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-14 07:35:52,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:35:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-14 07:35:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 07:35:52,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:52,801 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:52,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:35:52,802 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:52,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:52,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1198310127, now seen corresponding path program 3 times [2020-10-14 07:35:52,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:52,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566656961] [2020-10-14 07:35:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:52,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:52,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:52,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 07:35:52,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 07:35:52,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:52,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 07:35:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 07:35:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:35:52,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:53,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:53,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:35:53,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 07:35:53,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:35:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:35:53,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:35:53,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 07:35:53,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:35:53,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:53,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:35:53,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:53,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-10-14 07:35:53,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:53,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:35:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 07:35:53,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566656961] [2020-10-14 07:35:53,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:53,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 07:35:53,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049506346] [2020-10-14 07:35:53,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 07:35:53,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:53,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 07:35:53,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:35:53,376 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 11 states. [2020-10-14 07:35:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:53,435 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-14 07:35:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:35:53,435 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-10-14 07:35:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:53,437 INFO L225 Difference]: With dead ends: 31 [2020-10-14 07:35:53,437 INFO L226 Difference]: Without dead ends: 27 [2020-10-14 07:35:53,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-14 07:35:53,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-14 07:35:53,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-14 07:35:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-14 07:35:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-14 07:35:53,445 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 31 [2020-10-14 07:35:53,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:53,445 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-14 07:35:53,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 07:35:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-14 07:35:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-14 07:35:53,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:53,447 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:53,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:35:53,447 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:53,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1080764669, now seen corresponding path program 4 times [2020-10-14 07:35:53,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:53,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896442438] [2020-10-14 07:35:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 07:35:53,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 07:35:53,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 07:35:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 07:35:53,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 07:35:53,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:53,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:35:53,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:53,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:53,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:35:53,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:53,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 07:35:53,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:53,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:53,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:35:53,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:53,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:35:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:53,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:53,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:54,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:54,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:35:54,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:54,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 07:35:54,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:54,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:35:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:35:54,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:54,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:54,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:54,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:35:54,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 07:35:54,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:54,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:35:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:54,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:54,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:54,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:54,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:54,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:35:54,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:54,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:54,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:35:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:54,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:54,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:54,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:54,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:54,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:35:54,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:54,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-14 07:35:54,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896442438] [2020-10-14 07:35:54,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:54,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 07:35:54,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133003138] [2020-10-14 07:35:54,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 07:35:54,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:54,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 07:35:54,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:35:54,316 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 13 states. [2020-10-14 07:35:54,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:54,429 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-14 07:35:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 07:35:54,430 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-10-14 07:35:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:54,432 INFO L225 Difference]: With dead ends: 34 [2020-10-14 07:35:54,432 INFO L226 Difference]: Without dead ends: 30 [2020-10-14 07:35:54,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-14 07:35:54,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-14 07:35:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-14 07:35:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 07:35:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-14 07:35:54,446 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 37 [2020-10-14 07:35:54,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:54,451 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-14 07:35:54,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 07:35:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-14 07:35:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-14 07:35:54,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:54,454 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:54,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:35:54,455 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:54,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:54,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1752970513, now seen corresponding path program 5 times [2020-10-14 07:35:54,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:54,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169421037] [2020-10-14 07:35:54,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:54,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:54,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:54,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 07:35:54,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:54,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-14 07:35:54,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:54,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 07:35:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 07:35:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 07:35:54,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:54,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:54,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:54,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:54,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:54,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:54,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:54,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:54,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:35:55,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-14 07:35:55,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:35:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:35:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:35:55,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 07:35:55,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:35:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:35:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:35:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 07:35:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:35:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:35:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:35:55,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 07:35:55,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:55,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:35:55,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:55,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 07:35:55,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:55,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:55,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:55,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:55,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:55,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:35:55,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:55,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 07:35:55,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169421037] [2020-10-14 07:35:55,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:55,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 07:35:55,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564890977] [2020-10-14 07:35:55,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 07:35:55,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:55,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 07:35:55,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:35:55,703 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 15 states. [2020-10-14 07:35:55,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:55,831 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-14 07:35:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 07:35:55,831 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2020-10-14 07:35:55,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:55,833 INFO L225 Difference]: With dead ends: 37 [2020-10-14 07:35:55,835 INFO L226 Difference]: Without dead ends: 33 [2020-10-14 07:35:55,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:35:55,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-14 07:35:55,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-14 07:35:55,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-14 07:35:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-14 07:35:55,850 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 43 [2020-10-14 07:35:55,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:55,851 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-14 07:35:55,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 07:35:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-14 07:35:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 07:35:55,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:55,855 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:55,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:35:55,855 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:55,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1590630787, now seen corresponding path program 6 times [2020-10-14 07:35:55,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:55,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641871432] [2020-10-14 07:35:55,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:55,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:56,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-14 07:35:56,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-14 07:35:56,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:56,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 07:35:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 07:35:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 07:35:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:56,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:56,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:56,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:56,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:56,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:35:56,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:56,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-14 07:35:56,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:56,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:56,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:35:56,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:56,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:35:56,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:56,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:56,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:56,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:35:56,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-14 07:35:56,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:56,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:35:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:35:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:56,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:56,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:56,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:35:56,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 07:35:56,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:56,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:35:56,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:56,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:35:56,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:56,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:57,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:57,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:57,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:35:57,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:35:57,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:57,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:35:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:57,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:35:57,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:57,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:57,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:57,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:35:57,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 07:35:57,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:57,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:35:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:35:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:57,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:57,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:57,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:57,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 07:35:57,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:57,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:57,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:57,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:57,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:57,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:35:57,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:57,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:57,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:57,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:57,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:57,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:35:57,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:57,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:57,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:57,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-14 07:35:57,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641871432] [2020-10-14 07:35:57,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:57,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 07:35:57,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119822775] [2020-10-14 07:35:57,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 07:35:57,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 07:35:57,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:35:57,424 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 17 states. [2020-10-14 07:35:57,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:35:57,551 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-14 07:35:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 07:35:57,551 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2020-10-14 07:35:57,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:35:57,553 INFO L225 Difference]: With dead ends: 40 [2020-10-14 07:35:57,553 INFO L226 Difference]: Without dead ends: 36 [2020-10-14 07:35:57,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-14 07:35:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-14 07:35:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-14 07:35:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-14 07:35:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-14 07:35:57,560 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 49 [2020-10-14 07:35:57,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:35:57,561 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-14 07:35:57,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 07:35:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-14 07:35:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 07:35:57,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:35:57,562 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:35:57,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:35:57,563 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:35:57,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:35:57,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1532150511, now seen corresponding path program 7 times [2020-10-14 07:35:57,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:35:57,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291779422] [2020-10-14 07:35:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:35:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:58,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 07:35:58,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:58,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-14 07:35:58,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:58,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 07:35:58,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 07:35:58,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 07:35:58,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:35:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:58,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:58,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:35:58,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:35:58,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:58,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:35:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:58,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:35:58,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:58,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:35:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:58,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:58,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:58,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:35:58,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-14 07:35:58,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:58,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:35:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:58,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:35:58,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:58,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:35:59,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-14 07:35:59,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:35:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:35:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:35:59,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 07:35:59,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:35:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:35:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:59,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:35:59,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 07:35:59,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:35:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:35:59,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:59,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:35:59,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:35:59,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:35:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:35:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:59,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:35:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:35:59,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:35:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:35:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:35:59,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:35:59,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:35:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:35:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:35:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:35:59,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:35:59,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:35:59,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:35:59,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:35:59,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:35:59,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:35:59,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:35:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:35:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:35:59,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:35:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:35:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 07:35:59,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291779422] [2020-10-14 07:35:59,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:35:59,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 07:35:59,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754150070] [2020-10-14 07:35:59,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 07:35:59,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:35:59,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 07:35:59,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:35:59,833 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2020-10-14 07:36:00,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:00,065 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-14 07:36:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 07:36:00,066 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2020-10-14 07:36:00,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:00,068 INFO L225 Difference]: With dead ends: 43 [2020-10-14 07:36:00,068 INFO L226 Difference]: Without dead ends: 39 [2020-10-14 07:36:00,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-14 07:36:00,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-14 07:36:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-14 07:36:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-14 07:36:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-14 07:36:00,075 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 55 [2020-10-14 07:36:00,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:00,076 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-14 07:36:00,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 07:36:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-14 07:36:00,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 07:36:00,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:00,077 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:00,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 07:36:00,078 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:00,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:00,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1140618237, now seen corresponding path program 8 times [2020-10-14 07:36:00,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:00,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540541447] [2020-10-14 07:36:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:00,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:00,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 07:36:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-14 07:36:00,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:00,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 07:36:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 07:36:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:00,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:36:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:00,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:00,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:00,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:00,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:00,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:01,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:01,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-14 07:36:01,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:01,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:01,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:01,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:01,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:01,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:01,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:01,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-14 07:36:01,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:01,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:01,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:01,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:01,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:01,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:01,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:01,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:01,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:01,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-14 07:36:01,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:01,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:01,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:01,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:01,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:02,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:02,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 07:36:02,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:02,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:02,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:02,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:02,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:02,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:02,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 07:36:02,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:02,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:02,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:02,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:02,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:02,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:02,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 07:36:02,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:02,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:02,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:02,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:02,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:02,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:36:02,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:02,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:02,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:02,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:02,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:02,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:02,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:36:02,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:02,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:02,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:02,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:02,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:02,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:02,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:02,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:36:02,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:02,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:02,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 07:36:02,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540541447] [2020-10-14 07:36:02,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:02,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 07:36:02,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518667134] [2020-10-14 07:36:02,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 07:36:02,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:02,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 07:36:02,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-14 07:36:02,726 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 21 states. [2020-10-14 07:36:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:02,933 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-14 07:36:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 07:36:02,934 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2020-10-14 07:36:02,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:02,936 INFO L225 Difference]: With dead ends: 46 [2020-10-14 07:36:02,936 INFO L226 Difference]: Without dead ends: 42 [2020-10-14 07:36:02,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-14 07:36:02,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-14 07:36:02,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-14 07:36:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-14 07:36:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-14 07:36:02,964 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 61 [2020-10-14 07:36:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:02,965 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-14 07:36:02,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 07:36:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-14 07:36:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 07:36:02,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:02,967 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:02,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 07:36:02,967 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:02,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:02,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1749177617, now seen corresponding path program 9 times [2020-10-14 07:36:02,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:02,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679431389] [2020-10-14 07:36:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:03,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 07:36:03,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-14 07:36:03,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:03,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 07:36:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 07:36:03,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 07:36:03,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:03,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:03,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:03,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:36:03,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:03,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:03,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:04,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:04,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:04,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-14 07:36:04,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:04,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:04,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:04,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:04,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:04,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-14 07:36:04,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:04,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:04,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:04,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:04,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:04,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:04,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:04,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:04,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-14 07:36:04,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:04,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:05,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 07:36:05,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:05,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:05,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 07:36:05,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:05,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:05,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 07:36:05,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:05,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 07:36:05,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:05,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:36:05,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:05,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:36:05,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:05,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:05,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:05,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:36:05,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:05,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 07:36:06,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679431389] [2020-10-14 07:36:06,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:06,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 07:36:06,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852296879] [2020-10-14 07:36:06,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 07:36:06,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:06,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 07:36:06,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:36:06,017 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 23 states. [2020-10-14 07:36:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:06,256 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-14 07:36:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 07:36:06,257 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2020-10-14 07:36:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:06,258 INFO L225 Difference]: With dead ends: 49 [2020-10-14 07:36:06,259 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 07:36:06,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-14 07:36:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 07:36:06,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-14 07:36:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-14 07:36:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-10-14 07:36:06,269 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 67 [2020-10-14 07:36:06,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:06,270 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-10-14 07:36:06,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 07:36:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-10-14 07:36:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-14 07:36:06,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:06,271 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:06,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 07:36:06,272 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:06,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:06,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1580609155, now seen corresponding path program 10 times [2020-10-14 07:36:06,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:06,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562877649] [2020-10-14 07:36:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:06,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 07:36:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 659 [2020-10-14 07:36:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:06,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 07:36:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-14 07:36:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 07:36:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:06,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:06,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:06,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:06,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:06,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:36:06,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:06,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:07,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:07,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:07,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:07,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-14 07:36:07,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:07,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:07,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 567 [2020-10-14 07:36:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:08,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:08,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:08,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:08,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:08,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:08,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:08,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:08,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-14 07:36:08,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:08,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:08,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:08,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:08,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-14 07:36:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:08,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:09,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 07:36:09,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:09,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:09,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 07:36:09,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:09,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:09,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 07:36:09,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:09,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:09,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 07:36:09,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:09,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:09,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:36:09,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:09,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:09,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:36:09,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:09,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:09,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:09,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 07:36:09,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:09,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:09,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-14 07:36:09,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562877649] [2020-10-14 07:36:09,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:09,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 07:36:09,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753728235] [2020-10-14 07:36:09,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 07:36:09,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:09,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 07:36:09,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-14 07:36:09,835 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 25 states. [2020-10-14 07:36:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:10,101 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-14 07:36:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 07:36:10,101 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 73 [2020-10-14 07:36:10,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:10,103 INFO L225 Difference]: With dead ends: 52 [2020-10-14 07:36:10,103 INFO L226 Difference]: Without dead ends: 48 [2020-10-14 07:36:10,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-14 07:36:10,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-14 07:36:10,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-14 07:36:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-14 07:36:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-10-14 07:36:10,111 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 73 [2020-10-14 07:36:10,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:10,111 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-10-14 07:36:10,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 07:36:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-10-14 07:36:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 07:36:10,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:10,113 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:10,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 07:36:10,113 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:10,114 INFO L82 PathProgramCache]: Analyzing trace with hash -223837457, now seen corresponding path program 11 times [2020-10-14 07:36:10,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:10,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260732048] [2020-10-14 07:36:10,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:10,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:10,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 07:36:10,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:10,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 793 [2020-10-14 07:36:10,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:10,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 07:36:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 07:36:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 07:36:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:10,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:10,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:10,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:10,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:11,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:11,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:11,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:11,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-14 07:36:11,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:11,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:11,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:11,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:11,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:11,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:11,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:12,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:12,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-14 07:36:12,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:12,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:12,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:12,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-14 07:36:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:12,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:12,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:12,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:13,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:13,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:13,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-14 07:36:13,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:13,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:13,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:13,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:13,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:13,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:13,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-14 07:36:13,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:13,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:13,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:13,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:13,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-14 07:36:13,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:13,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:13,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:13,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:13,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 07:36:13,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:13,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:13,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:13,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:13,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:13,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:13,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:13,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:13,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 07:36:13,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:13,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:13,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:13,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:14,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:14,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:36:14,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:14,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:14,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:14,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:14,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:14,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:14,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:36:14,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:14,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:14,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:14,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:14,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:14,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:14,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:14,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:36:14,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:14,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:14,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:14,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:14,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:14,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:14,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:36:14,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:14,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:14,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-14 07:36:14,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260732048] [2020-10-14 07:36:14,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:14,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-14 07:36:14,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622519349] [2020-10-14 07:36:14,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-14 07:36:14,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:14,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-14 07:36:14,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-14 07:36:14,346 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 27 states. [2020-10-14 07:36:14,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:14,646 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-14 07:36:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 07:36:14,647 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 79 [2020-10-14 07:36:14,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:14,649 INFO L225 Difference]: With dead ends: 55 [2020-10-14 07:36:14,649 INFO L226 Difference]: Without dead ends: 51 [2020-10-14 07:36:14,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-14 07:36:14,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-14 07:36:14,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-14 07:36:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-14 07:36:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-14 07:36:14,656 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 79 [2020-10-14 07:36:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:14,657 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-14 07:36:14,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-14 07:36:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-14 07:36:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 07:36:14,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:14,658 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:14,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 07:36:14,659 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:14,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:14,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1653931773, now seen corresponding path program 12 times [2020-10-14 07:36:14,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:14,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339949637] [2020-10-14 07:36:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:14,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:15,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:15,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 07:36:15,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 787 [2020-10-14 07:36:15,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:15,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-14 07:36:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-14 07:36:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 07:36:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:15,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:15,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:15,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:15,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:15,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:15,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:15,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:15,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:15,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:15,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:15,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:15,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:36:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:36:16,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:16,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:16,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:16,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:16,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-14 07:36:16,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:16,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:16,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:16,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:16,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:17,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:17,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:17,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:17,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:17,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:17,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:17,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:17,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-14 07:36:17,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:17,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:17,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:17,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:17,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:17,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:17,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:17,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:17,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 07:36:17,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:17,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:17,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:17,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:17,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:17,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:17,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:17,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:17,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 07:36:17,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:17,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:18,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:18,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:18,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:18,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:18,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:36:18,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:18,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:18,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:18,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:18,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:18,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:18,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:36:18,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:18,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:18,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:18,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:18,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:18,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:18,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:36:18,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:18,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:18,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:18,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:18,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:18,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:18,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:36:18,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:18,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:18,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:18,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:18,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:18,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:18,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:18,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:36:18,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:18,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:18,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:36:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-14 07:36:18,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339949637] [2020-10-14 07:36:18,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:18,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 07:36:18,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417587646] [2020-10-14 07:36:18,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 07:36:18,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:18,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 07:36:18,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-14 07:36:18,517 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 29 states. [2020-10-14 07:36:18,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:18,903 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-14 07:36:18,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 07:36:18,904 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 85 [2020-10-14 07:36:18,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:18,905 INFO L225 Difference]: With dead ends: 58 [2020-10-14 07:36:18,906 INFO L226 Difference]: Without dead ends: 54 [2020-10-14 07:36:18,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-14 07:36:18,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-14 07:36:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-14 07:36:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 07:36:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-14 07:36:18,913 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 85 [2020-10-14 07:36:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:18,913 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-14 07:36:18,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 07:36:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-14 07:36:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 07:36:18,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:18,915 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:18,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 07:36:18,915 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:18,915 INFO L82 PathProgramCache]: Analyzing trace with hash -218674449, now seen corresponding path program 13 times [2020-10-14 07:36:18,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:18,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010284318] [2020-10-14 07:36:18,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:18,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:19,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:19,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-14 07:36:19,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 07:36:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:19,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:19,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:19,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:19,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:19,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:19,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:19,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:19,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:19,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:19,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:19,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:19,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:20,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:36:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:36:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:20,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:20,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:36:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:21,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:21,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:21,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:21,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:21,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-14 07:36:21,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:21,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:21,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:21,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:21,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:22,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:22,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:22,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:22,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:22,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:22,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:22,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:22,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 07:36:22,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:22,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:22,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:22,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:22,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:22,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:22,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:22,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:22,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:22,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:22,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:22,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 07:36:22,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:22,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:22,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:22,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:22,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:22,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 07:36:22,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:22,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:22,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:22,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:22,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 07:36:22,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:22,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:22,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:36:23,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:23,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:23,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 07:36:23,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:23,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:36:23,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:23,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:23,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:23,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 07:36:23,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:23,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:23,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:23,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:23,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:23,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:23,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:23,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:23,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:36:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:23,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:23,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:23,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:36:23,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:23,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:23,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:23,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:23,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:23,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:36:23,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:23,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:36:23,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:23,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:23,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:23,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:23,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:36:23,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:23,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:23,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:23,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:23,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:23,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:36:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-14 07:36:23,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010284318] [2020-10-14 07:36:23,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:23,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 07:36:23,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758535972] [2020-10-14 07:36:23,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 07:36:23,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:23,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 07:36:23,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-14 07:36:23,845 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 31 states. [2020-10-14 07:36:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:24,241 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-14 07:36:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 07:36:24,241 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 91 [2020-10-14 07:36:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:24,242 INFO L225 Difference]: With dead ends: 61 [2020-10-14 07:36:24,242 INFO L226 Difference]: Without dead ends: 57 [2020-10-14 07:36:24,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-14 07:36:24,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-14 07:36:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-14 07:36:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 07:36:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-14 07:36:24,253 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 91 [2020-10-14 07:36:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:24,254 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-14 07:36:24,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 07:36:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-14 07:36:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 07:36:24,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:24,259 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:24,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 07:36:24,259 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:24,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:24,259 INFO L82 PathProgramCache]: Analyzing trace with hash 492436605, now seen corresponding path program 14 times [2020-10-14 07:36:24,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:24,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619086755] [2020-10-14 07:36:24,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:25,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:25,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 07:36:25,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:25,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 789 [2020-10-14 07:36:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:25,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 07:36:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 07:36:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 07:36:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:25,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:25,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:25,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:25,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:25,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:25,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:25,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:25,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:25,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:25,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:25,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:36:25,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 729 [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:36:25,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:26,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:36:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:36:26,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:26,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:27,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:27,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:36:27,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-14 07:36:27,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:27,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:27,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:36:27,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:27,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:36:27,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:27,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:27,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:27,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:27,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:27,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:28,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:28,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:28,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-14 07:36:28,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:28,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:28,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:28,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:28,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:28,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:28,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-14 07:36:28,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:28,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:28,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:28,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:28,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 07:36:28,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:28,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:28,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:28,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:28,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:28,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:28,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 07:36:28,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:28,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:28,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:28,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:28,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:28,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:28,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 07:36:28,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:28,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:28,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:28,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:28,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:29,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:29,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:29,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:29,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 07:36:29,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:29,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:29,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:29,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:29,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:29,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:36:29,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:29,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:29,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:29,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:29,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:29,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:36:29,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:29,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:29,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:29,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:29,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:29,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 07:36:29,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:29,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:29,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:29,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:29,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:36:29,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:29,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:29,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:29,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:29,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:36:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:29,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-10-14 07:36:29,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619086755] [2020-10-14 07:36:29,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:29,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 07:36:29,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284569115] [2020-10-14 07:36:29,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 07:36:29,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:29,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 07:36:29,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 07:36:29,646 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 33 states. [2020-10-14 07:36:30,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:30,123 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-14 07:36:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 07:36:30,128 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 97 [2020-10-14 07:36:30,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:30,129 INFO L225 Difference]: With dead ends: 64 [2020-10-14 07:36:30,129 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 07:36:30,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 07:36:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 07:36:30,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-14 07:36:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 07:36:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-14 07:36:30,137 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 97 [2020-10-14 07:36:30,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:30,138 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-14 07:36:30,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 07:36:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-14 07:36:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 07:36:30,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:30,139 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:30,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 07:36:30,140 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:30,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:30,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1083048687, now seen corresponding path program 15 times [2020-10-14 07:36:30,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:30,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511599433] [2020-10-14 07:36:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:30,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:31,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:31,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 07:36:31,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 923 [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 07:36:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:31,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:31,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:31,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:31,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:31,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:31,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:31,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:36:31,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:31,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-10-14 07:36:31,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:31,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:36:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:36:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:32,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:32,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:32,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:36:32,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-14 07:36:32,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:32,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:32,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:36:32,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:32,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:36:32,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:32,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:33,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:36:33,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-14 07:36:33,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:33,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:36:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:36:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:33,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:33,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:36:33,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:36:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:33,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:34,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:34,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:34,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-14 07:36:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:34,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:34,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:34,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:34,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:34,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:34,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:34,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:34,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 07:36:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:34,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:34,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:34,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:34,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:34,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:34,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:34,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:34,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:34,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:35,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:35,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:35,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:35,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 07:36:35,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:35,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:35,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:35,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:35,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:35,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:35,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 07:36:35,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:35,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:35,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:35,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:35,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:35,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 07:36:35,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:35,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:35,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:35,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:35,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:35,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:35,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 07:36:35,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:35,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:35,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:35,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:35,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:35,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:35,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:35,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:35,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 07:36:35,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:35,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:35,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:35,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:35,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:35,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:36:35,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:35,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:35,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:35,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:35,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:35,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:36,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:36,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:36,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:36,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 07:36:36,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:36,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:36,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:36,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:36,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:36,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:36,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:36,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:36,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:36:36,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:36,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:36,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:36,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:36,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:36,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:36,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:36:36,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:36,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:36,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:36,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:36,329 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-14 07:36:36,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511599433] [2020-10-14 07:36:36,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:36,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 07:36:36,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390432970] [2020-10-14 07:36:36,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 07:36:36,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:36,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 07:36:36,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 07:36:36,332 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 35 states. [2020-10-14 07:36:36,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:36,878 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-14 07:36:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 07:36:36,879 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 103 [2020-10-14 07:36:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:36,880 INFO L225 Difference]: With dead ends: 67 [2020-10-14 07:36:36,881 INFO L226 Difference]: Without dead ends: 63 [2020-10-14 07:36:36,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 07:36:36,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-14 07:36:36,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-14 07:36:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-14 07:36:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-14 07:36:36,887 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 103 [2020-10-14 07:36:36,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:36,888 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-14 07:36:36,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 07:36:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-14 07:36:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 07:36:36,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:36,889 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:36,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 07:36:36,890 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:36,890 INFO L82 PathProgramCache]: Analyzing trace with hash 404015613, now seen corresponding path program 16 times [2020-10-14 07:36:36,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:36,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269263600] [2020-10-14 07:36:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:38,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1153 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:38,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:38,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:38,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:38,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:38,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:39,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:36:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-10-14 07:36:39,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:39,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:36:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:36:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:40,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:40,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:36:40,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:40,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-14 07:36:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:40,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:36:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:36:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:40,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:40,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:40,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:36:40,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:40,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-14 07:36:40,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:40,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:36:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:40,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:36:40,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:40,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:41,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:36:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:36:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:41,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:41,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:42,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:36:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-14 07:36:42,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:42,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:36:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:36:42,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:42,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:42,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:42,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:42,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-14 07:36:42,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:42,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:42,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:42,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:42,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:42,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:42,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-14 07:36:42,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:42,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:42,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:42,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:42,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:43,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:43,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:43,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-14 07:36:43,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:43,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:43,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:43,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:43,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:43,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:43,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 07:36:43,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:43,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:43,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:43,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:43,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:43,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 07:36:43,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:43,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:43,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:43,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:43,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:43,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:43,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:43,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:43,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 07:36:43,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:43,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:43,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:43,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:43,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:43,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:43,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 07:36:43,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:43,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:43,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:44,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:44,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:44,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 07:36:44,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:44,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:44,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:44,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:44,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:44,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:44,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:36:44,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:44,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:44,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:44,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:44,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:44,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:44,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:44,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:44,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:44,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:36:44,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:44,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:44,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:44,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:44,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:44,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:36:44,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:44,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:44,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:44,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:44,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:44,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:36:44,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:44,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-14 07:36:44,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269263600] [2020-10-14 07:36:44,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:44,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 07:36:44,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545208037] [2020-10-14 07:36:44,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 07:36:44,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:44,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 07:36:44,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 07:36:44,632 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 37 states. [2020-10-14 07:36:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:45,229 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-14 07:36:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-14 07:36:45,230 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 109 [2020-10-14 07:36:45,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:45,231 INFO L225 Difference]: With dead ends: 70 [2020-10-14 07:36:45,232 INFO L226 Difference]: Without dead ends: 66 [2020-10-14 07:36:45,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 07:36:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-14 07:36:45,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-14 07:36:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-14 07:36:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-14 07:36:45,247 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 109 [2020-10-14 07:36:45,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:45,247 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-14 07:36:45,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 07:36:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-14 07:36:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-14 07:36:45,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:45,254 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:45,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 07:36:45,255 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:45,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:45,255 INFO L82 PathProgramCache]: Analyzing trace with hash -464475409, now seen corresponding path program 17 times [2020-10-14 07:36:45,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:45,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062717612] [2020-10-14 07:36:45,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:46,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1433 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 07:36:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:46,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:46,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:46,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:46,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:46,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:46,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:46,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:46,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:46,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:49,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2337 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:36:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:49,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:49,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:50,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:50,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:36:50,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-14 07:36:50,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:50,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:36:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:36:50,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:50,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:36:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-14 07:36:51,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:51,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:36:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:36:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:51,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:51,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:51,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:36:51,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 719 [2020-10-14 07:36:51,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:51,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:36:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:36:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:51,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:52,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:52,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:52,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:36:52,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:52,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-14 07:36:52,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:52,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:52,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:36:52,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:52,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:36:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:52,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:52,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:53,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:53,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:36:53,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:53,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-14 07:36:53,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:53,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:36:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:36:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:53,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:36:53,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:53,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:53,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:36:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-14 07:36:53,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:53,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:36:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:36:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:53,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:53,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:54,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:54,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:36:54,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-14 07:36:54,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:54,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:36:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:36:54,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:54,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:54,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:54,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:36:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 07:36:54,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:54,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:36:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:36:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:54,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:54,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:54,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:36:54,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:54,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 07:36:54,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:54,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:54,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:36:54,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:54,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:36:54,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:54,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:54,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:54,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:54,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:36:54,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 07:36:54,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:54,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:36:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:36:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:54,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:36:54,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 07:36:54,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:54,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:36:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:36:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:55,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:55,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:55,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:55,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:36:55,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:55,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:36:55,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:55,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:55,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:36:55,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:36:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:55,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:55,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:55,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:36:55,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:36:55,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:55,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:36:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:36:55,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:55,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:55,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:55,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:36:55,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:55,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:36:55,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:55,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:36:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:36:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:55,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:55,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:36:55,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:36:55,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:55,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:36:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:36:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:55,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:55,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:55,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:55,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:36:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:36:55,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:55,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:36:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:36:55,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:36:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2020-10-14 07:36:55,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062717612] [2020-10-14 07:36:55,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:36:55,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-14 07:36:55,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187210965] [2020-10-14 07:36:55,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-14 07:36:55,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:36:55,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-14 07:36:55,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-14 07:36:55,676 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 39 states. [2020-10-14 07:36:56,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:36:56,365 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-14 07:36:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 07:36:56,366 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 115 [2020-10-14 07:36:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:36:56,367 INFO L225 Difference]: With dead ends: 73 [2020-10-14 07:36:56,367 INFO L226 Difference]: Without dead ends: 69 [2020-10-14 07:36:56,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-14 07:36:56,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-14 07:36:56,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-14 07:36:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-14 07:36:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-14 07:36:56,373 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 115 [2020-10-14 07:36:56,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:36:56,374 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-14 07:36:56,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-14 07:36:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-14 07:36:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 07:36:56,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:36:56,375 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:36:56,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 07:36:56,376 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:36:56,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:36:56,376 INFO L82 PathProgramCache]: Analyzing trace with hash 130115453, now seen corresponding path program 18 times [2020-10-14 07:36:56,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:36:56,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958868996] [2020-10-14 07:36:56,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:36:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:56,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:57,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-14 07:36:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1586 [2020-10-14 07:36:57,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:57,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-14 07:36:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 07:36:57,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 07:36:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:36:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:58,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:58,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:36:58,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:58,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:36:58,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:58,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:36:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:36:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:58,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:36:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:58,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:36:59,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:36:59,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:36:59,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:36:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1475 [2020-10-14 07:36:59,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:36:59,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:36:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:36:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:36:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:36:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:36:59,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:36:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:36:59,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:00,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:00,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:37:00,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:00,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1214 [2020-10-14 07:37:00,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:00,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:37:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:37:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:00,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:00,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:01,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:01,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:37:01,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-14 07:37:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:01,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:37:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:37:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:02,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:02,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:37:02,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:37:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:02,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:03,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:03,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:37:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:03,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:04,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:04,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:37:04,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:04,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-14 07:37:04,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:04,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:37:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:37:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:04,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:37:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-14 07:37:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:04,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:37:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:37:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:04,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:04,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:05,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:37:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:05,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:37:05,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:05,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:05,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:05,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:05,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:37:05,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:37:05,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:05,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:05,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:05,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:37:05,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:05,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 07:37:05,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:05,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:37:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:37:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:05,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:37:06,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-14 07:37:06,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:37:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:37:06,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:06,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:06,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:37:06,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 07:37:06,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:37:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:37:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:06,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:06,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:37:06,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 07:37:06,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:37:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:37:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:06,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:37:06,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 07:37:06,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:37:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:37:06,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:06,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:37:06,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 07:37:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:37:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:37:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:06,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:37:06,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:37:06,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:37:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:37:06,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:06,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:06,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:06,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:37:06,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 07:37:06,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:06,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:37:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:37:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:07,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:07,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:37:07,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:37:07,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:07,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:37:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:37:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:07,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:07,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:07,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:37:07,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:07,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:37:07,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:07,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:37:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:37:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-14 07:37:07,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958868996] [2020-10-14 07:37:07,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:37:07,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-14 07:37:07,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646692188] [2020-10-14 07:37:07,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-14 07:37:07,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:37:07,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-14 07:37:07,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 07:37:07,363 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 41 states. [2020-10-14 07:37:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:37:08,114 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-14 07:37:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-14 07:37:08,114 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 121 [2020-10-14 07:37:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:37:08,116 INFO L225 Difference]: With dead ends: 76 [2020-10-14 07:37:08,116 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 07:37:08,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 07:37:08,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 07:37:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-14 07:37:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-14 07:37:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-14 07:37:08,122 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 121 [2020-10-14 07:37:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:37:08,123 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-14 07:37:08,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-14 07:37:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-14 07:37:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 07:37:08,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:37:08,125 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:37:08,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 07:37:08,125 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:37:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:37:08,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2010955025, now seen corresponding path program 19 times [2020-10-14 07:37:08,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:37:08,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100183593] [2020-10-14 07:37:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:37:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:08,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:10,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1936 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 07:37:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 07:37:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:10,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:37:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:10,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:10,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:10,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:37:10,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:37:10,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:10,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:37:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:37:10,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:10,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:37:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:10,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:11,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:11,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:37:11,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1736 [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:37:11,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:11,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:13,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:13,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1462 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:37:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:13,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1214 [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:14,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:37:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:37:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:14,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:15,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:37:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:37:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:15,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:15,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:16,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:16,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:37:16,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:16,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-10-14 07:37:16,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:16,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:37:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:16,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:37:16,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:16,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:17,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:17,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:37:17,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 731 [2020-10-14 07:37:17,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:17,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:37:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:17,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:37:17,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:17,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:18,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:18,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:37:18,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:18,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 564 [2020-10-14 07:37:18,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:18,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:18,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:37:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:18,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:37:18,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:18,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:18,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:18,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:37:18,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-14 07:37:18,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:18,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:37:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:37:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:18,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:18,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:19,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:19,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:37:19,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-14 07:37:19,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:19,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:37:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:37:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:19,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:19,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:37:19,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:19,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-14 07:37:19,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:19,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:37:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:19,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:37:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:19,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:19,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:37:19,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-14 07:37:19,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:19,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:37:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:37:19,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:19,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:19,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:19,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:37:19,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 07:37:19,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:19,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:37:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:37:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:20,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:20,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:20,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:37:20,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 07:37:20,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:20,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:37:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:37:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:20,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:20,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:20,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:37:20,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:20,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 07:37:20,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:20,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:37:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:37:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:20,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:20,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:20,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:20,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:37:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 07:37:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:20,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:37:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:37:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:20,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:20,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:20,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:37:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:37:20,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:20,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:37:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:37:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:20,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:20,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:20,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:37:20,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 07:37:20,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:20,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:37:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:37:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:20,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:20,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:20,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:20,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:37:20,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:20,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 07:37:20,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:20,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:37:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:20,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:37:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:21,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:21,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:21,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:21,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:37:21,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:37:21,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:21,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:37:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:37:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:21,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:21,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:21,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:37:21,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:21,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:37:21,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:21,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:37:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:37:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-10-14 07:37:21,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100183593] [2020-10-14 07:37:21,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:37:21,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-14 07:37:21,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009084254] [2020-10-14 07:37:21,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-14 07:37:21,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:37:21,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-14 07:37:21,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 07:37:21,330 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 43 states. [2020-10-14 07:37:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:37:22,164 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-14 07:37:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-14 07:37:22,165 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 127 [2020-10-14 07:37:22,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:37:22,167 INFO L225 Difference]: With dead ends: 79 [2020-10-14 07:37:22,167 INFO L226 Difference]: Without dead ends: 75 [2020-10-14 07:37:22,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 07:37:22,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-14 07:37:22,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-14 07:37:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-14 07:37:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-14 07:37:22,173 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 127 [2020-10-14 07:37:22,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:37:22,174 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-14 07:37:22,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-14 07:37:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-14 07:37:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 07:37:22,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:37:22,175 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:37:22,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 07:37:22,176 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:37:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:37:22,176 INFO L82 PathProgramCache]: Analyzing trace with hash -799288067, now seen corresponding path program 20 times [2020-10-14 07:37:22,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:37:22,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477846947] [2020-10-14 07:37:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:37:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:22,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:24,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2108 [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-14 07:37:24,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-14 07:37:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 07:37:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:37:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:24,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:24,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:24,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:37:24,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:24,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:37:24,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:24,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:37:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:37:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:24,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:37:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:24,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:26,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:26,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:37:26,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2043 [2020-10-14 07:37:26,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:26,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 07:37:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 07:37:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:26,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:28,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:28,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:37:28,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1745 [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:37:28,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:28,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:29,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:29,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:37:29,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1496 [2020-10-14 07:37:29,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:29,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:37:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:37:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:29,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:29,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:31,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:31,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:37:31,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1224 [2020-10-14 07:37:31,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:31,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:37:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:37:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:31,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:31,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:32,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:32,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:37:32,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:32,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-10-14 07:37:32,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:32,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:37:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:32,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:37:32,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:32,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:32,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:33,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:33,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:37:33,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 864 [2020-10-14 07:37:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:33,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:37:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:37:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:33,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:33,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:33,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:37:33,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:33,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-14 07:37:33,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:33,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:33,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:37:33,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:37:33,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:33,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:34,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:34,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:37:34,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-10-14 07:37:34,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:34,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:37:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:37:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:34,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:35,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:37:35,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:35,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-14 07:37:35,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:35,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:37:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:37:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:35,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:35,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:35,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:35,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:37:35,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-14 07:37:35,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:35,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:37:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:37:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:35,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:36,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:36,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:37:36,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-14 07:37:36,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:36,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:37:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:37:36,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:36,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:36,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:36,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:37:36,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:36,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 07:37:36,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:36,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:37:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:37:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:36,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:36,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:36,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:37:36,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:36,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 07:37:36,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:36,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:36,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:37:36,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:36,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:37:36,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:36,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:36,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:36,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:36,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:37:36,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:36,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 07:37:36,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:36,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:37:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:37:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:36,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:36,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:36,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:37:36,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 07:37:36,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:36,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:37:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:36,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:37:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:37,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:37,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:37,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:37,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:37:37,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 07:37:37,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:37,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:37:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:37:37,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:37,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:37,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:37:37,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:37:37,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:37,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:37:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:37:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:37,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:37,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:37,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:37,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:37:37,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:37:37,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:37,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:37:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:37:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:37,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:37,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:37,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:37:37,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:37:37,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:37,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:37:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:37:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:37,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:37,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:37,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:37:37,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:37,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 07:37:37,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:37,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:37:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:37:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:37,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:37,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:37,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:37:37,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:37:37,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:37,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:37,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:37:37,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:37,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:37:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-14 07:37:38,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477846947] [2020-10-14 07:37:38,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:37:38,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-14 07:37:38,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435485032] [2020-10-14 07:37:38,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-14 07:37:38,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:37:38,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-14 07:37:38,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 07:37:38,003 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 45 states. [2020-10-14 07:37:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:37:38,910 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-14 07:37:38,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-14 07:37:38,910 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 133 [2020-10-14 07:37:38,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:37:38,912 INFO L225 Difference]: With dead ends: 82 [2020-10-14 07:37:38,912 INFO L226 Difference]: Without dead ends: 78 [2020-10-14 07:37:38,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 07:37:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-14 07:37:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-14 07:37:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-14 07:37:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-14 07:37:38,918 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 133 [2020-10-14 07:37:38,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:37:38,919 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-14 07:37:38,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-14 07:37:38,919 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-14 07:37:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 07:37:38,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:37:38,920 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:37:38,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 07:37:38,921 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:37:38,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:37:38,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1226192145, now seen corresponding path program 21 times [2020-10-14 07:37:38,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:37:38,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585055930] [2020-10-14 07:37:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:37:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2471 [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 07:37:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 07:37:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 07:37:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:37:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:41,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:41,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:37:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:41,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:37:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:41,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:37:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:37:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:37:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:43,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:43,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 07:37:43,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:43,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2265 [2020-10-14 07:37:43,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:43,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:43,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 07:37:43,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:43,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 07:37:43,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:43,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:45,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:45,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:37:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2030 [2020-10-14 07:37:45,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:45,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 07:37:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 07:37:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:45,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:45,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:37:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1803 [2020-10-14 07:37:47,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:47,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:37:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:37:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:47,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:49,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:49,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:37:49,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1445 [2020-10-14 07:37:49,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:49,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:37:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:37:49,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:49,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:49,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:50,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:50,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:37:50,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:50,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1248 [2020-10-14 07:37:50,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:50,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:37:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:37:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:51,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:37:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:37:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:51,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:52,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:52,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:37:52,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:52,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-10-14 07:37:52,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:52,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:37:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:37:52,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:52,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:52,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:53,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:53,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:37:53,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-14 07:37:53,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:53,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:37:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:37:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:53,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:53,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:37:53,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-14 07:37:53,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:53,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:37:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:37:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:54,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:54,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:54,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:54,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:37:54,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:54,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-14 07:37:54,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:54,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:54,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:37:54,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:54,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:37:54,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:54,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:54,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:54,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:37:54,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:54,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-14 07:37:54,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:54,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:37:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:54,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:37:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:54,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:55,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:55,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:55,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:37:55,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-14 07:37:55,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:55,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:37:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:37:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:55,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:55,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:55,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:55,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:37:55,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:55,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 07:37:55,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:55,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:37:55,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:55,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:37:55,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:55,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:55,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:37:55,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:55,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 07:37:55,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:55,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:55,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:37:55,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:55,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:37:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:56,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:37:56,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 07:37:56,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:56,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:37:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:37:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:37:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:56,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:37:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 07:37:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:56,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:37:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:37:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:56,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:56,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:56,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:56,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:37:56,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 07:37:56,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:56,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:37:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:37:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:56,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:56,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:37:56,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:37:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:56,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:37:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:37:56,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:56,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:56,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:56,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:37:56,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:37:56,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:56,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:37:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:37:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:56,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:56,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:56,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:37:56,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:56,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:37:56,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:56,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:37:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:37:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:57,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:57,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:37:57,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:57,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:37:57,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:57,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:37:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:37:57,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:37:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:57,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:37:57,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:37:57,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:37:57,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:37:57,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:37:57,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:37:57,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:37:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:37:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:37:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:37:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:37:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2020-10-14 07:37:57,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585055930] [2020-10-14 07:37:57,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:37:57,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-14 07:37:57,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746851657] [2020-10-14 07:37:57,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-14 07:37:57,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:37:57,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-14 07:37:57,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 07:37:57,359 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 47 states. [2020-10-14 07:37:58,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:37:58,375 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-14 07:37:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-14 07:37:58,377 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 139 [2020-10-14 07:37:58,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:37:58,378 INFO L225 Difference]: With dead ends: 85 [2020-10-14 07:37:58,378 INFO L226 Difference]: Without dead ends: 81 [2020-10-14 07:37:58,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 07:37:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-14 07:37:58,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-14 07:37:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 07:37:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-14 07:37:58,398 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 139 [2020-10-14 07:37:58,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:37:58,399 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-14 07:37:58,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-14 07:37:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-14 07:37:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 07:37:58,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:37:58,407 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:37:58,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 07:37:58,407 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:37:58,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:37:58,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1155535485, now seen corresponding path program 22 times [2020-10-14 07:37:58,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:37:58,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137258328] [2020-10-14 07:37:58,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:37:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:37:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:01,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:01,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 07:38:01,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3340 [2020-10-14 07:38:01,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:01,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:01,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-14 07:38:01,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 07:38:01,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 07:38:01,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:01,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:38:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:01,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:01,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:01,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:38:01,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:01,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:38:01,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:01,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:38:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:38:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:01,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:38:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:01,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:04,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2676 [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-14 07:38:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 07:38:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:04,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:06,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 07:38:06,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2338 [2020-10-14 07:38:06,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:06,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 07:38:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 07:38:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:06,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:07,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:09,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:09,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:38:09,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2010 [2020-10-14 07:38:09,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:09,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 07:38:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 07:38:09,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:09,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:09,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:10,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:10,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:38:10,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1754 [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:38:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:10,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:12,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:12,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1428 [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:38:12,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:12,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:38:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1224 [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:38:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:14,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:14,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:38:14,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-10-14 07:38:14,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:14,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:38:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:38:14,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:14,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:14,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:15,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:15,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:38:15,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 840 [2020-10-14 07:38:15,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:15,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:38:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:38:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:15,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:15,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:16,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:16,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:38:16,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:16,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-14 07:38:16,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:16,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:16,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:38:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:38:16,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:16,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:16,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:17,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:17,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:38:17,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-14 07:38:17,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:17,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:38:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:38:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:17,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:38:17,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 444 [2020-10-14 07:38:17,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:17,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:38:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:38:17,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:17,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:18,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:18,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:38:18,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-14 07:38:18,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:18,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:38:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:38:18,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:18,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:18,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:18,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:18,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:38:18,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:18,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-14 07:38:18,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:18,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:38:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:38:18,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:18,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:18,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:18,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:18,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:38:18,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-14 07:38:18,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:18,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:38:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:18,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:38:18,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:18,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:18,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:18,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:38:18,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 07:38:18,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:18,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:38:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:38:18,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:19,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:19,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:19,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:38:19,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:19,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 07:38:19,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:19,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:38:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:38:19,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:19,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:19,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:19,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:19,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:38:19,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 07:38:19,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:19,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:38:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:38:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:19,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:19,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:19,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:19,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:38:19,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 07:38:19,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:19,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:38:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:38:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:19,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:19,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:38:19,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 07:38:19,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:19,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:38:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:38:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:19,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:19,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:19,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:38:19,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:19,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:38:19,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:19,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:38:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:38:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:20,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:20,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:20,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:20,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:38:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:38:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:20,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:38:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:38:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:38:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:38:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:20,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:38:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:38:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:20,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:20,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:20,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:38:20,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:20,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:38:20,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:20,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:20,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:38:20,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:38:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2020-10-14 07:38:20,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137258328] [2020-10-14 07:38:20,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:38:20,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-14 07:38:20,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360820067] [2020-10-14 07:38:20,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-14 07:38:20,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:38:20,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-14 07:38:20,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 07:38:20,502 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 49 states. [2020-10-14 07:38:21,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:38:21,617 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-14 07:38:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-14 07:38:21,618 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 145 [2020-10-14 07:38:21,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:38:21,620 INFO L225 Difference]: With dead ends: 88 [2020-10-14 07:38:21,620 INFO L226 Difference]: Without dead ends: 84 [2020-10-14 07:38:21,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 07:38:21,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-14 07:38:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-14 07:38:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-14 07:38:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-14 07:38:21,626 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 145 [2020-10-14 07:38:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:38:21,627 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-14 07:38:21,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-14 07:38:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-14 07:38:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 07:38:21,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:38:21,629 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:38:21,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 07:38:21,629 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:38:21,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:38:21,629 INFO L82 PathProgramCache]: Analyzing trace with hash 478692079, now seen corresponding path program 23 times [2020-10-14 07:38:21,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:38:21,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656733436] [2020-10-14 07:38:21,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:38:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:21,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:24,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:24,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 07:38:24,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3232 [2020-10-14 07:38:24,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:24,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 07:38:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-14 07:38:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 07:38:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:24,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:38:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:24,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:24,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:24,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:38:24,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:38:24,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:24,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:38:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:24,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:38:24,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:38:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:24,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:28,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 07:38:28,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3064 [2020-10-14 07:38:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:28,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-14 07:38:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-14 07:38:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:28,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:30,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2720 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 07:38:30,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:30,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:33,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:33,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 07:38:33,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:33,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2341 [2020-10-14 07:38:33,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:33,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 07:38:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 07:38:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:33,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:35,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:35,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2003 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 07:38:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:35,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:35,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:37,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2106 [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:38:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:38:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:37,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:37,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:38,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:38:38,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:38,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1416 [2020-10-14 07:38:38,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:38,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:38:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:38:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:39,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:38:40,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:38:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:40,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:40,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:41,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:41,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:38:41,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:41,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-10-14 07:38:41,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:41,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:38:41,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:41,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:38:41,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:41,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:41,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:42,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:42,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:38:42,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-14 07:38:42,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:42,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:38:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:38:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:43,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:43,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:38:43,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:43,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 683 [2020-10-14 07:38:43,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:43,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:38:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:38:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:43,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:43,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:43,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:43,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:38:43,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:43,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-14 07:38:43,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:43,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:38:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:43,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:38:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:43,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:43,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:44,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:44,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:38:44,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-14 07:38:44,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:44,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:38:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:38:44,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:44,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:44,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:44,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:44,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:38:44,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-14 07:38:44,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:44,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:38:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:38:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:44,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:44,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:45,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:45,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:38:45,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-14 07:38:45,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:45,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:38:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:38:45,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:45,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:45,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:45,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:45,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:38:45,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-14 07:38:45,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:45,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:38:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:38:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:45,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:45,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:45,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:38:45,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:45,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 07:38:45,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:45,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:38:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:38:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:45,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:45,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:45,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:45,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:38:45,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 07:38:45,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:45,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:38:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:38:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:46,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:46,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:46,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:38:46,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:46,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 07:38:46,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:46,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:38:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:46,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:38:46,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:38:46,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:46,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:46,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:38:46,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 07:38:46,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:46,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:38:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:38:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:38:46,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:46,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:46,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:38:46,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 07:38:46,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:46,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:38:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:38:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:38:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:46,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:46,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:38:46,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:46,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 07:38:46,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:46,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:46,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:38:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:38:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:38:47,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:47,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:47,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:47,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:38:47,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 07:38:47,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:47,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:38:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:38:47,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:38:47,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:47,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:47,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:38:47,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:38:47,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:47,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:38:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:47,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:38:47,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 07:38:47,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:47,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:38:47,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:47,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:38:47,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:47,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:38:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:38:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:38:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2020-10-14 07:38:47,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656733436] [2020-10-14 07:38:47,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:38:47,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-14 07:38:47,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473962951] [2020-10-14 07:38:47,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-14 07:38:47,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:38:47,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-14 07:38:47,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 07:38:47,954 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 51 states. [2020-10-14 07:38:49,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:38:49,127 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-14 07:38:49,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-14 07:38:49,127 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 151 [2020-10-14 07:38:49,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:38:49,128 INFO L225 Difference]: With dead ends: 91 [2020-10-14 07:38:49,128 INFO L226 Difference]: Without dead ends: 87 [2020-10-14 07:38:49,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 07:38:49,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-14 07:38:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-14 07:38:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-14 07:38:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-14 07:38:49,134 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 151 [2020-10-14 07:38:49,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:38:49,134 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-14 07:38:49,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-14 07:38:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-14 07:38:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 07:38:49,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:38:49,137 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:38:49,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 07:38:49,137 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:38:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:38:49,137 INFO L82 PathProgramCache]: Analyzing trace with hash -414572547, now seen corresponding path program 24 times [2020-10-14 07:38:49,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:38:49,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351278109] [2020-10-14 07:38:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:38:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:49,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:52,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:52,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 07:38:52,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:52,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3658 [2020-10-14 07:38:52,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:52,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-14 07:38:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 07:38:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:38:52,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:52,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:38:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:52,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:52,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:52,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:38:52,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:38:52,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:52,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:38:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:52,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:38:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:38:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:56,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3406 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:38:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:56,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:56,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:38:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:38:59,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 07:38:59,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:38:59,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3083 [2020-10-14 07:38:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:38:59,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:38:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-14 07:38:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:38:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-14 07:38:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:38:59,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:38:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:38:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:02,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2655 [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-14 07:39:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 07:39:02,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:02,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:02,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:04,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:04,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 07:39:04,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:04,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2299 [2020-10-14 07:39:04,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:04,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 07:39:04,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:04,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 07:39:04,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:04,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:04,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:06,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2017 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 07:39:06,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:06,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:08,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:08,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1669 [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:39:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:08,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:08,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:09,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:09,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:39:09,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:09,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1397 [2020-10-14 07:39:09,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:09,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:39:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:39:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:09,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:09,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:39:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1199 [2020-10-14 07:39:11,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:11,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:39:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:39:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:11,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:12,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:12,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:39:12,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-14 07:39:12,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:12,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:39:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:39:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:13,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:39:13,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 824 [2020-10-14 07:39:13,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:13,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:39:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:39:13,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:13,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:13,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:39:13,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-14 07:39:13,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:13,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:39:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:39:13,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:14,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:14,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:14,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:39:14,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:14,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-14 07:39:14,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:14,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:14,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:39:14,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:39:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:15,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:15,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:39:15,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:15,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-14 07:39:15,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:15,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:15,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:39:15,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:15,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:39:15,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:15,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:16,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:16,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:39:16,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:16,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-14 07:39:16,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:16,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:16,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:39:16,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:16,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:39:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:16,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:16,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:16,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:39:16,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-14 07:39:16,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:16,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:39:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:39:16,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:16,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:16,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:16,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:16,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:39:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-14 07:39:16,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:16,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:39:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:39:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:17,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:17,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:17,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:39:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 07:39:17,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:17,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:39:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:39:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:17,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:17,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:39:17,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:17,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 07:39:17,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:17,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:17,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:39:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:39:17,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:17,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:17,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:17,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:17,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:39:17,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:17,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 07:39:17,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:17,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:39:17,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:17,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:39:17,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:17,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:17,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:17,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:17,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:39:17,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 07:39:17,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:17,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:39:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:39:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:17,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:18,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:18,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:39:18,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 07:39:18,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:18,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:39:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:39:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:18,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:18,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:39:18,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 07:39:18,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:18,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:39:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:39:18,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:18,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:18,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:18,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:18,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:39:18,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:18,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:39:18,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:18,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:39:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:18,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:39:18,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:18,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:18,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:18,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:39:18,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:39:18,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:18,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:39:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:39:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:18,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:18,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:18,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:18,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:39:18,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:18,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:39:18,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:18,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:39:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:39:18,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2020-10-14 07:39:18,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351278109] [2020-10-14 07:39:18,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:39:18,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-14 07:39:18,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542384326] [2020-10-14 07:39:18,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-14 07:39:18,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:39:18,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-14 07:39:18,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 07:39:18,912 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 53 states. [2020-10-14 07:39:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:39:20,219 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-10-14 07:39:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-14 07:39:20,220 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 157 [2020-10-14 07:39:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:39:20,222 INFO L225 Difference]: With dead ends: 94 [2020-10-14 07:39:20,222 INFO L226 Difference]: Without dead ends: 90 [2020-10-14 07:39:20,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 07:39:20,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-14 07:39:20,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-14 07:39:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 07:39:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-14 07:39:20,228 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 157 [2020-10-14 07:39:20,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:39:20,229 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-14 07:39:20,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-14 07:39:20,229 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-14 07:39:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 07:39:20,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:39:20,230 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:39:20,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 07:39:20,230 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:39:20,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:39:20,231 INFO L82 PathProgramCache]: Analyzing trace with hash -975000849, now seen corresponding path program 25 times [2020-10-14 07:39:20,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:39:20,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145945562] [2020-10-14 07:39:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:39:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:20,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:24,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4189 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 07:39:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 07:39:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:24,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:39:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:24,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:24,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:39:24,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:24,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 07:39:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:24,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:28,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:28,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 07:39:28,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:28,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3859 [2020-10-14 07:39:28,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:28,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:28,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-14 07:39:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-14 07:39:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:28,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:28,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:31,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:31,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-14 07:39:31,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3420 [2020-10-14 07:39:31,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:31,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-14 07:39:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 07:39:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:31,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:34,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3026 [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-14 07:39:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-14 07:39:34,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:34,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:37,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:37,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 07:39:37,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2682 [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 07:39:37,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:37,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:40,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:40,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 07:39:40,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:40,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2267 [2020-10-14 07:39:40,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:40,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 07:39:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 07:39:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:40,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:42,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:42,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 07:39:42,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1974 [2020-10-14 07:39:42,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:42,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 07:39:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 07:39:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:43,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:43,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-14 07:39:43,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1659 [2020-10-14 07:39:43,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:43,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 07:39:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 07:39:43,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:43,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:43,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:45,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:45,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 07:39:45,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:45,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1511 [2020-10-14 07:39:45,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:45,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 07:39:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 07:39:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:45,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:45,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:46,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:46,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 07:39:46,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1216 [2020-10-14 07:39:46,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:46,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 07:39:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 07:39:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:46,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:47,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:47,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 07:39:47,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:47,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-14 07:39:47,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:47,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 07:39:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 07:39:47,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:47,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:48,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:48,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 07:39:48,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 866 [2020-10-14 07:39:48,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:48,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 07:39:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 07:39:48,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:49,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:49,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 07:39:49,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-14 07:39:49,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:49,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:49,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 07:39:49,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:49,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 07:39:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:49,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:50,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:50,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 07:39:50,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-14 07:39:50,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:50,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:50,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 07:39:50,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:50,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 07:39:50,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:50,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:50,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:50,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:50,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 07:39:50,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-14 07:39:50,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:50,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 07:39:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 07:39:50,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:50,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:51,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:51,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:51,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 07:39:51,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:51,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-14 07:39:51,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:51,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:51,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 07:39:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 07:39:51,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:39:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:51,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:51,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:39:51,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:51,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-14 07:39:51,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:51,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:51,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 07:39:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 07:39:51,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:51,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:52,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:52,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 07:39:52,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:52,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 07:39:52,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:52,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 07:39:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 07:39:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:52,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:52,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 07:39:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 07:39:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:52,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 07:39:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 07:39:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:52,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:52,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:52,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 07:39:52,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 07:39:52,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:52,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:52,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 07:39:52,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:52,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 07:39:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:52,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:52,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:52,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 07:39:52,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 07:39:52,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:52,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 07:39:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 07:39:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:52,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:53,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 07:39:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 07:39:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:53,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 07:39:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 07:39:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:53,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:53,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 07:39:53,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:53,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:39:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:53,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 07:39:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:39:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:53,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:53,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:53,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 07:39:53,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:53,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:39:53,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:53,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 07:39:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 07:39:53,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:53,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:53,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:53,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 07:39:53,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:53,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:39:53,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:53,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 07:39:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 07:39:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:53,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:53,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:53,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 07:39:53,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 07:39:53,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:53,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:53,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:39:53,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:53,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 07:39:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:39:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:39:53,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:39:53,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:39:53,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:39:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:39:53,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:39:53,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:39:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:39:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:39:53,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:39:53,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:39:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2020-10-14 07:39:54,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145945562] [2020-10-14 07:39:54,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 07:39:54,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-14 07:39:54,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553630018] [2020-10-14 07:39:54,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-14 07:39:54,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:39:54,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-14 07:39:54,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 07:39:54,080 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 55 states. [2020-10-14 07:39:55,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:39:55,526 INFO L93 Difference]: Finished difference Result 97 states and 98 transitions. [2020-10-14 07:39:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-14 07:39:55,527 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 163 [2020-10-14 07:39:55,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:39:55,528 INFO L225 Difference]: With dead ends: 97 [2020-10-14 07:39:55,529 INFO L226 Difference]: Without dead ends: 93 [2020-10-14 07:39:55,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 07:39:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-14 07:39:55,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-14 07:39:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-14 07:39:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-10-14 07:39:55,535 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 163 [2020-10-14 07:39:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:39:55,536 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-10-14 07:39:55,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-14 07:39:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-10-14 07:39:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 07:39:55,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:39:55,537 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:39:55,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 07:39:55,537 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:39:55,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:39:55,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1466565251, now seen corresponding path program 26 times [2020-10-14 07:39:55,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:39:55,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037242177] [2020-10-14 07:39:55,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:39:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:39:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking...