/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 SingleStatement --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=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:35:07,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:35:07,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:35:07,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:35:07,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:35:07,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:35:07,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:35:07,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:35:07,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:35:07,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:35:07,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:35:07,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:35:07,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:35:07,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:35:07,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:35:07,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:35:07,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:35:07,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:35:07,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:35:07,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:35:07,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:35:07,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:35:07,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:35:07,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:35:07,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:35:07,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:35:07,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:35:07,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:35:07,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:35:07,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:35:07,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:35:07,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:35:07,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:35:07,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:35:07,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:35:07,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:35:07,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:35:07,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:35:07,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:35:07,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:35:07,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:35:07,729 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 [2020-09-25 07:35:07,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:35:07,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:35:07,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:35:07,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:35:07,779 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:35:07,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:35:07,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:35:07,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:35:07,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:35:07,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:35:07,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:35:07,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:35:07,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:35:07,782 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:35:07,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:35:07,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:35:07,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:35:07,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:35:07,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:35:07,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:35:07,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:35:07,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:35:07,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:35:07,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:35:07,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:35:07,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:35:07,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:35:07,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:35:07,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:35:07,785 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 -> SingleStatement 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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=true; [2020-09-25 07:35:08,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:35:08,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:35:08,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:35:08,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:35:08,257 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:35:08,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-25 07:35:08,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de9836848/a27409eb281a4aa7b9ff61c0eabfca39/FLAG90c5b87c2 [2020-09-25 07:35:08,949 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:35:08,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-25 07:35:08,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de9836848/a27409eb281a4aa7b9ff61c0eabfca39/FLAG90c5b87c2 [2020-09-25 07:35:09,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de9836848/a27409eb281a4aa7b9ff61c0eabfca39 [2020-09-25 07:35:09,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:35:09,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:35:09,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:09,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:35:09,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:35:09,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:09" (1/1) ... [2020-09-25 07:35:09,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:09, skipping insertion in model container [2020-09-25 07:35:09,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:09" (1/1) ... [2020-09-25 07:35:09,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:35:09,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:35:09,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:09,775 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:35:09,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:10,010 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:35:10,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10 WrapperNode [2020-09-25 07:35:10,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:10,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:35:10,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:35:10,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:35:10,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (1/1) ... [2020-09-25 07:35:10,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:35:10,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:35:10,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:35:10,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:35:10,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (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 [2020-09-25 07:35:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:35:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:35:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:35:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:35:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:35:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:35:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:35:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:35:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:35:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:35:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:35:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:35:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:35:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:35:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:35:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:35:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:35:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:35:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:35:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:35:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:35:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:35:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:35:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:35:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:35:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:35:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:35:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:35:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:35:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:35:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:35:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:35:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:35:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:35:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:35:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:35:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:35:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:35:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:35:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:35:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:35:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:35:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:35:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:35:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:35:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:35:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:35:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:35:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:35:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:35:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:35:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:35:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:35:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:35:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:35:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:35:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:35:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:35:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:35:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:35:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:35:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:35:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:35:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:35:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:35:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:35:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:35:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:35:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:35:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:35:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:35:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:35:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:35:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:35:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:35:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:35:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:35:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:35:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:35:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:35:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:35:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:35:11,454 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:35:11,454 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:35:11,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:11 BoogieIcfgContainer [2020-09-25 07:35:11,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:35:11,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:35:11,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:35:11,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:35:11,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:35:09" (1/3) ... [2020-09-25 07:35:11,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445489b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:11, skipping insertion in model container [2020-09-25 07:35:11,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:10" (2/3) ... [2020-09-25 07:35:11,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445489b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:11, skipping insertion in model container [2020-09-25 07:35:11,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:11" (3/3) ... [2020-09-25 07:35:11,472 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-09-25 07:35:11,484 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:35:11,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:35:11,518 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:35:11,549 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:35:11,549 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:35:11,549 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:35:11,549 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:35:11,550 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:35:11,550 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:35:11,550 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:35:11,550 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:35:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-25 07:35:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:35:11,591 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:11,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:35:11,593 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:11,601 INFO L82 PathProgramCache]: Analyzing trace with hash -303745462, now seen corresponding path program 1 times [2020-09-25 07:35:11,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:11,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110537433] [2020-09-25 07:35:11,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:12,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:12,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:14,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:16,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:16,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:35:16,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:16,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 07:35:16,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:16,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:35:16,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:16,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:35:17,362 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:17,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:17,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 07:35:17,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:17,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 31 [2020-09-25 07:35:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:17,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:17,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:17,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:17,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:17,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:17,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:17,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:17,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:35:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:17,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:17,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:35:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:17,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:17,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:17,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:17,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:17,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:35:17,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110537433] [2020-09-25 07:35:17,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:17,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:35:17,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044806443] [2020-09-25 07:35:17,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:35:17,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:17,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:35:17,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:35:17,762 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 3 states. [2020-09-25 07:35:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:18,996 INFO L93 Difference]: Finished difference Result 436 states and 522 transitions. [2020-09-25 07:35:18,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:35:18,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:35:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:19,032 INFO L225 Difference]: With dead ends: 436 [2020-09-25 07:35:19,033 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 07:35:19,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:35:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 07:35:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2020-09-25 07:35:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 07:35:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 253 transitions. [2020-09-25 07:35:19,143 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 253 transitions. Word has length 142 [2020-09-25 07:35:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:19,144 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 253 transitions. [2020-09-25 07:35:19,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:35:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2020-09-25 07:35:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:35:19,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:19,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:35:19,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:35:19,150 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:19,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:19,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2117068885, now seen corresponding path program 1 times [2020-09-25 07:35:19,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:19,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106604679] [2020-09-25 07:35:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:19,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:19,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:21,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:22,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:35:24,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:35:24,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 07:35:24,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:35:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:35:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:24,546 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:24,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:24,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 07:35:24,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:24,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:24,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:24,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:24,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:24,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:24,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:24,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:24,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:35:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:24,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:24,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:24,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:35:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:24,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:24,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:24,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:24,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:24,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:35:24,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106604679] [2020-09-25 07:35:24,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:24,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:35:24,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882495783] [2020-09-25 07:35:24,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:35:24,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:24,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:35:24,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:35:24,768 INFO L87 Difference]: Start difference. First operand 234 states and 253 transitions. Second operand 4 states. [2020-09-25 07:35:25,492 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:35:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:26,370 INFO L93 Difference]: Finished difference Result 343 states and 385 transitions. [2020-09-25 07:35:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:35:26,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:35:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:26,375 INFO L225 Difference]: With dead ends: 343 [2020-09-25 07:35:26,375 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 07:35:26,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:35:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 07:35:26,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224. [2020-09-25 07:35:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 07:35:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-09-25 07:35:26,419 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 143 [2020-09-25 07:35:26,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:26,420 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-09-25 07:35:26,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:35:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-09-25 07:35:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 07:35:26,424 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:26,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:35:26,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:35:26,424 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2011327752, now seen corresponding path program 1 times [2020-09-25 07:35:26,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:26,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333386120] [2020-09-25 07:35:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:27,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:29,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:31,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:31,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 07:35:31,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:31,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 07:35:31,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:31,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:31,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:35:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:35:31,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:31,806 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:31,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:31,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:31,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:31,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:31,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:31,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 07:35:31,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:31,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:31,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:31,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:31,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:31,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:31,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:31,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:31,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:31,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:31,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:31,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:31,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:31,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:31,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:31,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:31,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:31,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:31,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:32,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:32,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:32,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:32,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:32,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:32,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:32,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:32,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:32,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:32,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:32,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:32,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:32,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:32,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:32,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:32,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 07:35:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:32,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:32,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:32,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:35:32,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:32,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 07:35:32,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:32,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:32,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:32,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:35:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:35:32,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:35:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:32,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:32,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:32,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:32,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:32,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:35:32,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:32,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:32,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:32,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:35:32,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:35:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:32,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:32,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:32,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:32,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:32,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:32,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:32,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:35:32,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333386120] [2020-09-25 07:35:32,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:32,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:35:32,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69516736] [2020-09-25 07:35:32,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:35:32,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:32,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:35:32,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:35:32,139 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 5 states. [2020-09-25 07:35:32,887 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:34,466 INFO L93 Difference]: Finished difference Result 518 states and 601 transitions. [2020-09-25 07:35:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:35:34,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 07:35:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:34,473 INFO L225 Difference]: With dead ends: 518 [2020-09-25 07:35:34,473 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 07:35:34,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:35:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 07:35:34,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-25 07:35:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 07:35:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2020-09-25 07:35:34,562 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 156 [2020-09-25 07:35:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:34,563 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2020-09-25 07:35:34,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:35:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2020-09-25 07:35:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:35:34,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:34,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:35:34,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:35:34,568 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:34,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:34,568 INFO L82 PathProgramCache]: Analyzing trace with hash -424012329, now seen corresponding path program 1 times [2020-09-25 07:35:34,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:34,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114155275] [2020-09-25 07:35:34,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:35,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:35,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:38,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:39,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:39,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:35:39,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 07:35:39,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:39,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:35:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:35:39,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:35:39,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,001 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 07:35:40,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:40,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:40,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:40,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:40,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:40,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:35:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:35:40,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:40,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:35:40,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:35:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:40,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:40,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:40,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:35:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:40,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:35:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:40,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:35:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:35:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:35:40,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114155275] [2020-09-25 07:35:40,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:40,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:35:40,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69522598] [2020-09-25 07:35:40,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:35:40,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:40,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:35:40,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:35:40,384 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand 9 states. [2020-09-25 07:35:40,995 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:42,436 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:35:43,022 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 07:35:43,350 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:43,722 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:35:44,027 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:44,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:44,257 INFO L93 Difference]: Finished difference Result 527 states and 614 transitions. [2020-09-25 07:35:44,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:35:44,257 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:35:44,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:44,258 INFO L225 Difference]: With dead ends: 527 [2020-09-25 07:35:44,258 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:35:44,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:35:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:35:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:35:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:35:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:35:44,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:35:44,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:44,262 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:35:44,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:35:44,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:35:44,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:35:44,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:35:44,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:35:44,425 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:35:44,591 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:44,757 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:44,919 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:45,260 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:35:45,592 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:35:45,913 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:35:46,164 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:35:46,328 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:46,474 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:46,627 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:46,881 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 07:35:46,986 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:35:47,138 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:47,441 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:35:47,746 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:35:48,049 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:35:48,197 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:48,343 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:48,493 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:48,642 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:48,793 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:48,941 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:49,087 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:49,240 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:49,384 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:49,534 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:49,682 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:49,830 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:49,974 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:50,123 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:50,272 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:50,416 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:50,564 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:50,712 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:50,861 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:51,010 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:51,159 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:51,308 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:51,456 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:51,608 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:51,757 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:52,075 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:35:52,386 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:35:52,695 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:35:52,927 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:35:53,178 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,327 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,477 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,638 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,785 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:53,933 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,034 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:35:54,141 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:35:54,313 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,476 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,626 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,769 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:54,918 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,066 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,215 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,622 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 07:35:55,815 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:35:56,226 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 07:35:56,448 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:35:56,693 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:35:56,883 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 07:35:57,138 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:57,333 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:35:57,729 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 07:35:57,898 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:35:58,259 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 07:35:58,464 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:35:58,845 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 07:35:59,051 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:35:59,268 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1