/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=0.4 --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_spec5_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:20:57,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:20:57,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:20:57,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:20:57,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:20:57,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:20:57,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:20:57,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:20:57,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:20:57,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:20:57,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:20:57,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:20:57,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:20:57,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:20:57,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:20:57,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:20:57,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:20:57,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:20:57,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:20:57,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:20:57,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:20:57,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:20:57,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:20:57,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:20:57,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:20:57,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:20:57,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:20:57,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:20:57,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:20:57,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:20:57,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:20:57,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:20:57,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:20:57,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:20:57,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:20:57,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:20:57,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:20:57,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:20:57,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:20:57,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:20:57,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:20:57,171 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 05:20:57,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:20:57,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:20:57,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:20:57,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:20:57,215 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:20:57,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:20:57,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:20:57,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:20:57,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:20:57,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:20:57,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:20:57,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:20:57,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:20:57,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:20:57,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:20:57,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:20:57,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:20:57,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:20:57,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:20:57,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:20:57,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:20:57,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:20:57,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:20:57,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:20:57,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:20:57,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:20:57,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:20:57,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:20:57,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:20:57,222 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:20:57,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:20:57,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:20:57,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:20:57,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:20:57,686 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:20:57,687 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-09-25 05:20:57,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb2277f51/ba72c99ac57a407ba32e1d7bcd377d1e/FLAG63794ea1c [2020-09-25 05:20:58,412 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:20:58,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-09-25 05:20:58,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb2277f51/ba72c99ac57a407ba32e1d7bcd377d1e/FLAG63794ea1c [2020-09-25 05:20:58,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb2277f51/ba72c99ac57a407ba32e1d7bcd377d1e [2020-09-25 05:20:58,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:20:58,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:20:58,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:20:58,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:20:58,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:20:58,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:20:58" (1/1) ... [2020-09-25 05:20:58,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b5b388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:58, skipping insertion in model container [2020-09-25 05:20:58,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:20:58" (1/1) ... [2020-09-25 05:20:58,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:20:58,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:20:59,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:20:59,365 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:20:59,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:20:59,513 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:20:59,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59 WrapperNode [2020-09-25 05:20:59,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:20:59,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:20:59,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:20:59,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:20:59,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (1/1) ... [2020-09-25 05:20:59,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:20:59,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:20:59,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:20:59,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:20:59,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (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 05:20:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:20:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:20:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:20:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:20:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:20:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:20:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:20:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:20:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:20:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:20:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:20:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:20:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:20:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:20:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:20:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:20:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:20:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:20:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:20:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:20:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:20:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:20:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:20:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:20:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:20:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:20:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:20:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:20:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:20:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:20:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:20:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:20:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:20:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:20:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:20:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:20:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:20:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:20:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:20:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:20:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:20:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:20:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:20:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:20:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:20:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:20:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:20:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:20:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:20:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:20:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:20:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:20:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:20:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:20:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:20:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:20:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:20:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:20:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:20:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:20:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:20:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:20:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:20:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:20:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:20:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:20:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:20:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:20:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:20:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:20:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:20:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:20:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:20:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:20:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:20:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:20:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:20:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:20:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:20:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:20:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:20:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:20:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:20:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:20:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:20:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:20:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:20:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:20:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:20:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:20:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:20:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:20:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:20:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:21:00,980 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:21:00,980 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:21:00,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:21:00 BoogieIcfgContainer [2020-09-25 05:21:00,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:21:00,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:21:00,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:21:00,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:21:00,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:20:58" (1/3) ... [2020-09-25 05:21:00,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34274ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:21:00, skipping insertion in model container [2020-09-25 05:21:00,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:59" (2/3) ... [2020-09-25 05:21:00,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34274ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:21:00, skipping insertion in model container [2020-09-25 05:21:00,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:21:00" (3/3) ... [2020-09-25 05:21:00,999 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2020-09-25 05:21:01,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:21:01,022 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:21:01,044 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:21:01,077 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:21:01,077 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:21:01,077 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:21:01,077 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:21:01,078 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:21:01,078 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:21:01,078 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:21:01,078 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:21:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-09-25 05:21:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:21:01,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:01,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:01,123 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:01,132 INFO L82 PathProgramCache]: Analyzing trace with hash 533033246, now seen corresponding path program 1 times [2020-09-25 05:21:01,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:01,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745399060] [2020-09-25 05:21:01,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:01,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:01,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:03,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:03,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:06,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:06,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:06,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:21:06,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:21:06,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 05:21:06,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:06,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:06,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:06,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:21:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:21:06,972 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:06,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:07,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 05:21:07,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:07,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:07,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:07,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:21:07,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:07,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:07,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:07,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:21:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:07,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:21:07,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:21:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:07,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:07,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:21:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:07,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:21:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:07,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:07,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:07,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745399060] [2020-09-25 05:21:07,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:07,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:21:07,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018561077] [2020-09-25 05:21:07,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:21:07,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:07,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:21:07,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:21:07,457 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 4 states. [2020-09-25 05:21:08,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:08,676 INFO L93 Difference]: Finished difference Result 446 states and 527 transitions. [2020-09-25 05:21:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:21:08,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:21:08,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:08,699 INFO L225 Difference]: With dead ends: 446 [2020-09-25 05:21:08,700 INFO L226 Difference]: Without dead ends: 288 [2020-09-25 05:21:08,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:21:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-09-25 05:21:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 243. [2020-09-25 05:21:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 05:21:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 264 transitions. [2020-09-25 05:21:08,811 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 264 transitions. Word has length 160 [2020-09-25 05:21:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:08,812 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 264 transitions. [2020-09-25 05:21:08,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:21:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 264 transitions. [2020-09-25 05:21:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:21:08,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:08,818 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:08,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:21:08,818 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:08,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:08,819 INFO L82 PathProgramCache]: Analyzing trace with hash -536188281, now seen corresponding path program 1 times [2020-09-25 05:21:08,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:08,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084177787] [2020-09-25 05:21:08,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:10,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:11,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:13,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:13,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:21:13,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:21:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 05:21:13,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:13,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:21:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:21:13,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,198 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:14,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 05:21:14,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:14,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:14,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:14,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:14,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:14,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:14,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:14,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:14,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:21:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:14,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:14,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:21:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:14,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:14,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:21:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:14,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:14,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:21:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:14,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:14,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:14,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:14,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:14,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:14,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:14,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084177787] [2020-09-25 05:21:14,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:14,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:21:14,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582796578] [2020-09-25 05:21:14,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:21:14,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:14,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:21:14,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:21:14,523 INFO L87 Difference]: Start difference. First operand 243 states and 264 transitions. Second operand 5 states. [2020-09-25 05:21:15,209 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:16,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:16,023 INFO L93 Difference]: Finished difference Result 369 states and 415 transitions. [2020-09-25 05:21:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:21:16,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:21:16,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:16,028 INFO L225 Difference]: With dead ends: 369 [2020-09-25 05:21:16,028 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 05:21:16,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:21:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 05:21:16,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 233. [2020-09-25 05:21:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 05:21:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 251 transitions. [2020-09-25 05:21:16,075 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 251 transitions. Word has length 161 [2020-09-25 05:21:16,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:16,076 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 251 transitions. [2020-09-25 05:21:16,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:21:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 251 transitions. [2020-09-25 05:21:16,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 05:21:16,079 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:16,079 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:16,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:21:16,080 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:16,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1352646037, now seen corresponding path program 1 times [2020-09-25 05:21:16,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:16,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240037004] [2020-09-25 05:21:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:16,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:17,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 05:21:21,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:21:21,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 05:21:21,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:21:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 05:21:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 05:21:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:21,567 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:21,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:21,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-25 05:21:21,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 05:21:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:21,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:21:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:21,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:21,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:21,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:21,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:21:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:21,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:21,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:21,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:21:21,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:21,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:21,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:21,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:21,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:21:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:21,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:21,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:21,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:21,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:21,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:21,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:21,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:21,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:21,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:21:21,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:21,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:21:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:22,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:22,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:22,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:22,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:22,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:21:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:22,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:22,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:22,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:22,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:22,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:22,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:22,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:22,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:21:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:22,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:22,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:22,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:22,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:22,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:22,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:22,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:22,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:22,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 05:21:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:22,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:22,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:22,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:22,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:22,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:22,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:22,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:22,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:22,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240037004] [2020-09-25 05:21:22,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:22,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:21:22,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032594290] [2020-09-25 05:21:22,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:21:22,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:22,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:21:22,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:21:22,102 INFO L87 Difference]: Start difference. First operand 233 states and 251 transitions. Second operand 5 states. [2020-09-25 05:21:22,625 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:24,106 INFO L93 Difference]: Finished difference Result 519 states and 593 transitions. [2020-09-25 05:21:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:21:24,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-25 05:21:24,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:24,112 INFO L225 Difference]: With dead ends: 519 [2020-09-25 05:21:24,112 INFO L226 Difference]: Without dead ends: 401 [2020-09-25 05:21:24,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:21:24,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-09-25 05:21:24,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 345. [2020-09-25 05:21:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-09-25 05:21:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 382 transitions. [2020-09-25 05:21:24,175 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 382 transitions. Word has length 170 [2020-09-25 05:21:24,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:24,176 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 382 transitions. [2020-09-25 05:21:24,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:21:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 382 transitions. [2020-09-25 05:21:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-25 05:21:24,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:24,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:24,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:21:24,180 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:24,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:24,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1183570364, now seen corresponding path program 1 times [2020-09-25 05:21:24,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:24,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872854535] [2020-09-25 05:21:24,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:24,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:24,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:25,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 05:21:29,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:21:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 05:21:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:21:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 05:21:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 05:21:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:29,562 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:29,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:29,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 05:21:29,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:29,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:29,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:29,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:29,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:29,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:29,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:29,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:21:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:29,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:29,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:29,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:29,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:29,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:21:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:21:29,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:21:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:21:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:21:29,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:21:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:21:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-25 05:21:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:29,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:29,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:29,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 05:21:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:29,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:29,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:29,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:21:29,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:21:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:29,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:29,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:21:29,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872854535] [2020-09-25 05:21:29,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:29,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:21:29,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748024865] [2020-09-25 05:21:29,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:21:29,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:29,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:21:29,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:21:29,897 INFO L87 Difference]: Start difference. First operand 345 states and 382 transitions. Second operand 10 states. [2020-09-25 05:21:30,403 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:31,276 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:31,597 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:21:32,454 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:21:32,793 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 05:21:33,136 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:21:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:33,174 INFO L93 Difference]: Finished difference Result 546 states and 638 transitions. [2020-09-25 05:21:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 05:21:33,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-09-25 05:21:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:33,176 INFO L225 Difference]: With dead ends: 546 [2020-09-25 05:21:33,176 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:21:33,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:21:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:21:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:21:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:21:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:21:33,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-09-25 05:21:33,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:33,187 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:21:33,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:21:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:21:33,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:21:33,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:21:33,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:21:33,438 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:33,602 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:33,772 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:33,939 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:34,098 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:34,264 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:34,421 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:34,578 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:34,736 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:34,906 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:35,065 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:35,187 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 05:21:35,357 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:35,513 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:35,654 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 9 [2020-09-25 05:21:35,800 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:35,966 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:36,120 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:36,272 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:36,430 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:36,589 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:36,748 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:36,900 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:37,059 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:37,217 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:37,369 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:37,525 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:37,683 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:37,840 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:37,992 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:38,149 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:38,307 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:38,465 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:38,622 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:38,784 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:38,937 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:39,096 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:39,253 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:39,406 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:39,563 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:39,743 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:39,902 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:40,065 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:40,222 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:40,381 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:40,539 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:40,691 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:40,796 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 05:21:40,958 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:41,128 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:41,287 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:41,445 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:41,606 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:41,709 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 9 [2020-09-25 05:21:41,822 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 9 [2020-09-25 05:21:42,269 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-09-25 05:21:42,509 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 05:21:42,701 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:21:42,905 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:21:43,113 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:21:43,353 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 05:21:43,626 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:21:43,932 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:44,384 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 05:21:44,589 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:21:44,778 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:21:45,129 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-25 05:21:45,360 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 05:21:45,617 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 05:21:46,009 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-25 05:21:46,407 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 10 [2020-09-25 05:21:46,677 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 05:21:46,923 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 14 [2020-09-25 05:21:47,181 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-25 05:21:47,425 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25