/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/product-lines/elevator_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:06:23,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:06:23,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:06:23,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:06:23,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:06:23,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:06:23,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:06:23,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:06:23,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:06:23,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:06:23,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:06:23,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:06:23,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:06:23,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:06:23,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:06:23,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:06:23,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:06:23,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:06:23,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:06:23,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:06:23,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:06:23,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:06:23,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:06:23,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:06:23,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:06:23,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:06:23,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:06:23,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:06:23,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:06:23,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:06:23,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:06:23,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:06:23,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:06:23,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:06:23,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:06:23,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:06:23,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:06:23,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:06:23,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:06:23,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:06:23,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:06:23,227 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 06:06:23,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:06:23,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:06:23,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:06:23,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:06:23,253 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:06:23,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:06:23,253 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:06:23,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:06:23,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:06:23,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:06:23,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:06:23,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:06:23,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:06:23,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:06:23,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:06:23,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:06:23,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:06:23,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:06:23,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:06:23,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:06:23,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:06:23,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:06:23,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:06:23,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:06:23,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:06:23,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:06:23,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:06:23,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:06:23,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:06:23,258 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 06:06:23,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:06:23,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:06:23,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:06:23,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:06:23,558 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:06:23,559 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2020-10-14 06:06:23,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c2b67e5f/879f62000e434c4a8c9e64d9da359359/FLAGbc49fb648 [2020-10-14 06:06:24,298 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:06:24,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_productSimulator.cil.c [2020-10-14 06:06:24,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c2b67e5f/879f62000e434c4a8c9e64d9da359359/FLAGbc49fb648 [2020-10-14 06:06:24,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c2b67e5f/879f62000e434c4a8c9e64d9da359359 [2020-10-14 06:06:24,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:06:24,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:06:24,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:06:24,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:06:24,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:06:24,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:06:24" (1/1) ... [2020-10-14 06:06:24,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6e054d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:24, skipping insertion in model container [2020-10-14 06:06:24,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:06:24" (1/1) ... [2020-10-14 06:06:24,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:06:24,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:06:25,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:06:25,336 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:06:25,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:06:25,579 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:06:25,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25 WrapperNode [2020-10-14 06:06:25,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:06:25,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:06:25,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:06:25,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:06:25,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (1/1) ... [2020-10-14 06:06:25,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:06:25,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:06:25,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:06:25,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:06:25,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (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 06:06:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:06:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:06:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:06:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:06:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:06:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:06:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:06:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:06:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:06:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 06:06:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 06:06:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 06:06:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 06:06:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 06:06:25,955 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 06:06:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 06:06:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 06:06:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 06:06:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 06:06:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:06:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 06:06:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 06:06:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-14 06:06:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-14 06:06:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-14 06:06:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-14 06:06:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 06:06:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 06:06:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 06:06:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 06:06:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 06:06:25,962 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 06:06:25,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 06:06:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 06:06:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 06:06:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 06:06:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-14 06:06:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-14 06:06:25,965 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-14 06:06:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-14 06:06:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 06:06:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 06:06:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 06:06:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-14 06:06:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-14 06:06:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-14 06:06:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-14 06:06:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 06:06:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 06:06:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 06:06:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-14 06:06:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-14 06:06:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:06:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-14 06:06:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-14 06:06:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 06:06:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 06:06:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 06:06:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 06:06:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:06:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:06:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:06:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:06:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 06:06:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 06:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 06:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 06:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 06:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 06:06:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 06:06:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 06:06:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 06:06:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 06:06:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 06:06:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:06:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 06:06:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 06:06:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 06:06:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:06:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 06:06:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:06:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:06:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:06:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:06:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:06:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:06:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:06:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:06:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:06:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:06:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:06:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:06:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:06:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:06:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:06:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:06:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:06:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:06:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:06:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:06:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:06:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:06:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:06:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:06:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:06:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 06:06:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 06:06:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 06:06:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 06:06:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 06:06:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 06:06:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 06:06:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 06:06:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 06:06:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:06:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 06:06:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 06:06:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 06:06:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 06:06:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 06:06:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 06:06:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:06:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:06:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 06:06:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 06:06:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 06:06:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 06:06:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 06:06:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-14 06:06:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-14 06:06:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-14 06:06:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-14 06:06:26,005 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-14 06:06:26,005 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-14 06:06:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-14 06:06:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-14 06:06:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 06:06:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 06:06:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 06:06:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 06:06:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 06:06:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-14 06:06:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-14 06:06:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-14 06:06:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-14 06:06:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 06:06:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 06:06:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-14 06:06:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-14 06:06:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-14 06:06:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-14 06:06:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 06:06:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 06:06:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 06:06:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-14 06:06:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-14 06:06:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:06:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:06:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-14 06:06:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-14 06:06:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 06:06:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:06:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:06:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:06:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:06:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 06:06:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 06:06:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 06:06:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 06:06:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 06:06:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 06:06:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 06:06:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 06:06:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 06:06:26,016 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:06:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 06:06:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 06:06:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 06:06:26,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:06:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 06:06:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:06:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:06:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:06:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:06:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:06:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:06:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:06:28,879 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:06:28,880 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 06:06:28,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:28 BoogieIcfgContainer [2020-10-14 06:06:28,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:06:28,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:06:28,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:06:28,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:06:28,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:06:24" (1/3) ... [2020-10-14 06:06:28,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1924e0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:06:28, skipping insertion in model container [2020-10-14 06:06:28,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:25" (2/3) ... [2020-10-14 06:06:28,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1924e0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:06:28, skipping insertion in model container [2020-10-14 06:06:28,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:28" (3/3) ... [2020-10-14 06:06:28,911 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_productSimulator.cil.c [2020-10-14 06:06:28,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:06:28,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:06:28,941 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:06:28,970 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:06:28,970 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:06:28,971 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:06:28,971 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:06:28,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:06:28,971 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:06:28,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:06:28,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:06:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states. [2020-10-14 06:06:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 06:06:29,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:29,031 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:06:29,032 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:29,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:29,041 INFO L82 PathProgramCache]: Analyzing trace with hash -895643454, now seen corresponding path program 1 times [2020-10-14 06:06:29,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:29,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765355505] [2020-10-14 06:06:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:29,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:30,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:34,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 06:06:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 06:06:34,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:34,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 06:06:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 06:06:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:06:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:06:35,707 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:06:35,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 06:06:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:06:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:06:35,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:06:35,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:35,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:35,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:06:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:35,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:06:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:35,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:06:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:35,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:35,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:06:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:06:35,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:35,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:35,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:06:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:35,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:35,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:35,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:35,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:35,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:35,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:35,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:35,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:35,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:35,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:35,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,125 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:36,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:06:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:36,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 06:06:36,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:06:36,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:06:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:06:36,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-14 06:06:36,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:06:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:06:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:06:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:36,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:06:36,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:06:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:06:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:06:36,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 06:06:36,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:36,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:36,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:06:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:06:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:36,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:06:36,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:06:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:06:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 06:06:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:36,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:36,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:36,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:36,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:36,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:36,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:36,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:36,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:36,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:36,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:36,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:37,066 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:06:37,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 06:06:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:37,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:37,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:37,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:06:37,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:06:37,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:37,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:06:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:37,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:37,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:37,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:37,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:37,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:37,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:37,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:37,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:37,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:37,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:37,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:37,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:06:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:37,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:37,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:37,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:37,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:37,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:37,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:37,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:37,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:06:37,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765355505] [2020-10-14 06:06:37,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:37,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 06:06:37,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119324445] [2020-10-14 06:06:37,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 06:06:37,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:37,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 06:06:37,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-14 06:06:37,207 INFO L87 Difference]: Start difference. First operand 949 states. Second operand 15 states. [2020-10-14 06:06:38,444 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:06:38,725 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:06:39,185 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:06:39,562 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:06:40,514 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:06:41,349 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:06:42,213 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:06:43,064 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2020-10-14 06:06:43,886 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:06:45,335 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:06:46,398 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:06:46,776 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:06:51,797 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 06:07:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:05,368 INFO L93 Difference]: Finished difference Result 1901 states and 3216 transitions. [2020-10-14 06:07:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 06:07:05,371 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 127 [2020-10-14 06:07:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:05,408 INFO L225 Difference]: With dead ends: 1901 [2020-10-14 06:07:05,408 INFO L226 Difference]: Without dead ends: 1145 [2020-10-14 06:07:05,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=350, Invalid=1056, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 06:07:05,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-14 06:07:05,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 783. [2020-10-14 06:07:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-10-14 06:07:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1208 transitions. [2020-10-14 06:07:05,781 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1208 transitions. Word has length 127 [2020-10-14 06:07:05,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:05,782 INFO L479 AbstractCegarLoop]: Abstraction has 783 states and 1208 transitions. [2020-10-14 06:07:05,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 06:07:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1208 transitions. [2020-10-14 06:07:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-14 06:07:05,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:05,788 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:07:05,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:07:05,789 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:05,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1027541332, now seen corresponding path program 1 times [2020-10-14 06:07:05,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:05,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863023292] [2020-10-14 06:07:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:06,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:06,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:07,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:10,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:10,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-14 06:07:10,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:07:10,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 06:07:10,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:10,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:10,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:10,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 06:07:10,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:10,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,748 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:07:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 06:07:11,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:07:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:07:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:07:11,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:07:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:07:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:07:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:11,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:11,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:07:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:07:11,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:07:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:11,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:11,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:11,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:11,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:11,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:11,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:11,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:11,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:11,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:12,165 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:07:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:12,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:12,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 06:07:12,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:12,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:12,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:12,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:07:12,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:12,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:07:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:12,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:07:12,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:07:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-14 06:07:12,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:12,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:07:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:12,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:12,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:12,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:12,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:12,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:12,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:12,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:07:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:12,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:07:12,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:12,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 06:07:12,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:12,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:07:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:07:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:12,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:12,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:07:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:12,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:07:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:12,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 06:07:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:12,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:13,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:13,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:13,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:07:13,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:13,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:13,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:13,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:13,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:13,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:13,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:13,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:13,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:13,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:13,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:13,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:13,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:13,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:13,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:13,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:13,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:13,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:13,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:13,220 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:07:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 06:07:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:13,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:07:13,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:07:13,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:13,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:07:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:13,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:13,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:13,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:13,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:13,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:07:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:13,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:13,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:13,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:13,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:07:13,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863023292] [2020-10-14 06:07:13,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:13,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 06:07:13,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724974831] [2020-10-14 06:07:13,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 06:07:13,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:13,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 06:07:13,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-14 06:07:13,408 INFO L87 Difference]: Start difference. First operand 783 states and 1208 transitions. Second operand 13 states. [2020-10-14 06:07:14,589 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:07:14,814 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:07:15,191 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:07:15,520 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:07:16,590 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:07:17,557 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:07:18,635 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:07:19,536 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:07:19,877 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:07:24,554 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 06:07:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:38,440 INFO L93 Difference]: Finished difference Result 1871 states and 3134 transitions. [2020-10-14 06:07:38,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:07:38,441 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-10-14 06:07:38,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:38,454 INFO L225 Difference]: With dead ends: 1871 [2020-10-14 06:07:38,454 INFO L226 Difference]: Without dead ends: 1141 [2020-10-14 06:07:38,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2020-10-14 06:07:38,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2020-10-14 06:07:38,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 785. [2020-10-14 06:07:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-10-14 06:07:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1210 transitions. [2020-10-14 06:07:38,701 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1210 transitions. Word has length 128 [2020-10-14 06:07:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:38,702 INFO L479 AbstractCegarLoop]: Abstraction has 785 states and 1210 transitions. [2020-10-14 06:07:38,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 06:07:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1210 transitions. [2020-10-14 06:07:38,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 06:07:38,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:38,712 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:07:38,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:07:38,713 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:38,713 INFO L82 PathProgramCache]: Analyzing trace with hash -2054807720, now seen corresponding path program 1 times [2020-10-14 06:07:38,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:38,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405556942] [2020-10-14 06:07:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:38,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:40,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 06:07:43,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 06:07:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 06:07:43,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 06:07:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:43,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,616 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:07:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:07:44,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:07:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:07:44,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:07:44,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:07:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:07:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:07:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:44,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:07:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:07:44,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:07:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:44,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:44,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,928 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:44,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:07:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:44,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 06:07:44,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:07:45,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:07:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:07:45,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:07:45,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-14 06:07:45,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:07:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 06:07:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:07:45,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:07:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:07:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:07:45,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 06:07:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 06:07:45,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:07:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:07:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:07:45,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:45,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 06:07:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:45,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:45,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:45,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:46,058 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:07:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:07:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:46,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:46,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:07:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:07:46,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:46,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:07:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:46,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:46,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:46,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:46,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:46,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:46,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:07:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:46,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:46,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:46,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:46,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:46,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:07:46,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405556942] [2020-10-14 06:07:46,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:46,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:07:46,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610296374] [2020-10-14 06:07:46,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:07:46,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:46,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:07:46,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:07:46,148 INFO L87 Difference]: Start difference. First operand 785 states and 1210 transitions. Second operand 12 states. [2020-10-14 06:07:46,823 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:07:47,047 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:07:47,461 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:07:47,796 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:07:48,710 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2020-10-14 06:07:49,572 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2020-10-14 06:07:50,899 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:07:51,884 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:07:52,245 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:07:57,037 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 06:08:11,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:11,773 INFO L93 Difference]: Finished difference Result 1873 states and 3126 transitions. [2020-10-14 06:08:11,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 06:08:11,774 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-10-14 06:08:11,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:11,784 INFO L225 Difference]: With dead ends: 1873 [2020-10-14 06:08:11,784 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 06:08:11,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:08:11,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 06:08:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 765. [2020-10-14 06:08:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-10-14 06:08:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1174 transitions. [2020-10-14 06:08:12,002 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1174 transitions. Word has length 132 [2020-10-14 06:08:12,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:12,002 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 1174 transitions. [2020-10-14 06:08:12,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:08:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1174 transitions. [2020-10-14 06:08:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 06:08:12,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:12,005 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:08:12,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:08:12,006 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:12,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:12,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1706793766, now seen corresponding path program 1 times [2020-10-14 06:08:12,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:12,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661224726] [2020-10-14 06:08:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:12,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:13,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 06:08:17,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 06:08:17,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 06:08:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 06:08:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:08:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:17,916 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:08:17,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:17,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:17,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:17,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:17,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:17,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:17,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:17,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:17,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:08:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:08:18,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:08:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:08:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:18,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:08:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:08:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:08:18,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:18,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:08:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:18,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,215 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:08:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:08:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:08:18,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 06:08:18,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:08:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:08:18,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:08:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:08:18,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:18,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:08:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:18,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:18,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:08:18,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:18,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 06:08:18,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:18,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:08:18,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:08:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:08:18,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:18,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:08:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:08:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:08:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,867 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:08:18,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 06:08:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:08:18,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:08:18,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:08:18,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:18,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:08:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:18,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:18,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:18,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:18,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:08:18,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661224726] [2020-10-14 06:08:18,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:18,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 06:08:18,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993937782] [2020-10-14 06:08:18,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 06:08:18,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:18,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 06:08:18,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-14 06:08:18,935 INFO L87 Difference]: Start difference. First operand 765 states and 1174 transitions. Second operand 15 states. [2020-10-14 06:08:19,830 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:08:20,096 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:08:20,559 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:08:20,926 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:08:21,841 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:08:22,990 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:08:23,838 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:08:24,650 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:08:25,460 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-14 06:08:26,545 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:08:27,522 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:08:27,885 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:08:33,137 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 06:08:47,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:47,709 INFO L93 Difference]: Finished difference Result 1836 states and 3061 transitions. [2020-10-14 06:08:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 06:08:47,709 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 129 [2020-10-14 06:08:47,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:47,720 INFO L225 Difference]: With dead ends: 1836 [2020-10-14 06:08:47,720 INFO L226 Difference]: Without dead ends: 1110 [2020-10-14 06:08:47,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=349, Invalid=1057, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 06:08:47,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-10-14 06:08:47,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 759. [2020-10-14 06:08:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-10-14 06:08:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1161 transitions. [2020-10-14 06:08:47,916 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1161 transitions. Word has length 129 [2020-10-14 06:08:47,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:47,917 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 1161 transitions. [2020-10-14 06:08:47,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 06:08:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1161 transitions. [2020-10-14 06:08:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 06:08:47,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:47,919 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:08:47,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:08:47,920 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:47,920 INFO L82 PathProgramCache]: Analyzing trace with hash 239130092, now seen corresponding path program 1 times [2020-10-14 06:08:47,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:47,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200730187] [2020-10-14 06:08:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:48,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:48,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:48,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:53,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:53,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 06:08:53,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:08:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5103 [2020-10-14 06:08:53,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:53,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 06:08:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:08:53,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:53,899 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:08:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:53,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:53,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:53,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:53,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:53,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:53,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:53,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:53,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:53,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:53,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:08:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:08:54,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:08:54,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:54,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:54,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:08:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:54,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:08:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:54,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:08:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:54,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:08:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:08:54,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:54,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:08:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:54,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:08:54,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,240 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:08:54,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:08:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:08:54,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 06:08:54,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:08:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:08:54,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:54,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-14 06:08:54,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:08:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:08:54,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:54,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:54,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:08:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:08:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:08:54,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:08:54,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:54,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:08:54,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:08:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:08:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:54,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:54,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:54,893 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:08:54,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 06:08:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:08:54,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 06:08:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:54,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:54,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:54,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:08:54,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200730187] [2020-10-14 06:08:54,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:54,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 06:08:54,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720002764] [2020-10-14 06:08:54,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 06:08:54,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:54,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 06:08:54,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-14 06:08:54,959 INFO L87 Difference]: Start difference. First operand 759 states and 1161 transitions. Second operand 13 states. [2020-10-14 06:08:55,686 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:08:55,905 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:08:56,333 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:08:56,666 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:08:57,623 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:08:58,550 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:08:59,360 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:09:00,299 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:09:00,624 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:09:04,980 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 06:09:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:09:19,320 INFO L93 Difference]: Finished difference Result 1818 states and 3027 transitions. [2020-10-14 06:09:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:09:19,321 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 130 [2020-10-14 06:09:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:09:19,330 INFO L225 Difference]: With dead ends: 1818 [2020-10-14 06:09:19,331 INFO L226 Difference]: Without dead ends: 1110 [2020-10-14 06:09:19,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2020-10-14 06:09:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-10-14 06:09:19,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 759. [2020-10-14 06:09:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-10-14 06:09:19,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1160 transitions. [2020-10-14 06:09:19,583 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1160 transitions. Word has length 130 [2020-10-14 06:09:19,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:09:19,584 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 1160 transitions. [2020-10-14 06:09:19,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 06:09:19,584 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1160 transitions. [2020-10-14 06:09:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-14 06:09:19,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:09:19,587 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:09:19,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:09:19,587 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:09:19,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:09:19,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1869785025, now seen corresponding path program 1 times [2020-10-14 06:09:19,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:09:19,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834554765] [2020-10-14 06:09:19,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:09:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:19,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:24,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:24,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-14 06:09:24,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 06:09:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,484 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:09:25,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 06:09:25,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:25,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:09:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:09:25,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:09:25,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:09:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:09:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:09:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:09:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:09:25,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:25,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:09:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:25,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:25,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,774 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:09:25,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:09:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:25,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:09:25,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:25,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:09:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:25,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:25,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:09:25,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:09:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:26,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:26,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:09:26,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:09:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:09:26,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:26,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 06:09:26,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:09:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:09:26,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:09:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:26,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:09:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:09:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:09:26,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:26,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:09:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:26,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:26,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:26,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:26,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:26,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,420 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:09:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 06:09:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:09:26,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 06:09:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:26,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:26,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:26,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:26,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:26,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:26,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:26,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:09:26,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834554765] [2020-10-14 06:09:26,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:09:26,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 06:09:26,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684069448] [2020-10-14 06:09:26,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 06:09:26,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:09:26,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 06:09:26,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-10-14 06:09:26,477 INFO L87 Difference]: Start difference. First operand 759 states and 1160 transitions. Second operand 15 states. [2020-10-14 06:09:27,330 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:09:27,555 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:09:28,023 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:09:28,434 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:09:29,356 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:09:30,165 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:09:30,969 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:09:31,772 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2020-10-14 06:09:32,588 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-14 06:09:33,647 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:09:34,595 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:09:34,940 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 06:09:40,173 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 06:09:55,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:09:55,171 INFO L93 Difference]: Finished difference Result 1824 states and 3033 transitions. [2020-10-14 06:09:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 06:09:55,173 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-14 06:09:55,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:09:55,182 INFO L225 Difference]: With dead ends: 1824 [2020-10-14 06:09:55,182 INFO L226 Difference]: Without dead ends: 1104 [2020-10-14 06:09:55,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=349, Invalid=1057, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 06:09:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-10-14 06:09:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 753. [2020-10-14 06:09:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-10-14 06:09:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1147 transitions. [2020-10-14 06:09:55,391 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1147 transitions. Word has length 131 [2020-10-14 06:09:55,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:09:55,391 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 1147 transitions. [2020-10-14 06:09:55,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 06:09:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1147 transitions. [2020-10-14 06:09:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 06:09:55,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:09:55,394 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:09:55,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:09:55,394 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:09:55,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:09:55,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1415941419, now seen corresponding path program 1 times [2020-10-14 06:09:55,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:09:55,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949547921] [2020-10-14 06:09:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:09:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:55,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:00,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:00,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:10:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,366 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2020-10-14 06:10:01,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:10:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:10:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 06:10:01,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:10:01,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 06:10:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 06:10:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 06:10:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:10:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:10:01,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:10:01,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 06:10:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:10:01,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,641 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:10:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 06:10:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 06:10:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 06:10:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:10:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:01,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:10:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:01,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:01,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:01,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 06:10:01,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:10:01,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:10:01,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:01,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:10:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:10:01,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:10:02,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:10:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:10:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:10:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:10:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 06:10:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:10:02,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:10:02,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:10:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:02,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:02,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:02,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:10:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:02,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:02,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:02,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:02,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:02,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,310 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-14 06:10:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:10:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:10:02,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:10:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:10:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:10:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:10:02,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:10:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:10:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:10:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:10:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-14 06:10:02,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949547921] [2020-10-14 06:10:02,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:10:02,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 06:10:02,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677955788] [2020-10-14 06:10:02,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 06:10:02,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:10:02,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 06:10:02,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-14 06:10:02,368 INFO L87 Difference]: Start difference. First operand 753 states and 1147 transitions. Second operand 13 states. [2020-10-14 06:10:03,220 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:10:03,468 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 06:10:03,980 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 06:10:04,349 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 06:10:05,411 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:10:06,382 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2020-10-14 06:10:07,335 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 06:10:08,386 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 06:10:08,731 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 166