/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=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:25:06,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:25:06,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:25:06,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:25:06,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:25:06,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:25:06,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:25:06,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:25:06,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:25:06,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:25:06,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:25:06,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:25:06,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:25:06,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:25:06,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:25:06,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:25:06,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:25:06,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:25:06,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:25:06,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:25:06,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:25:06,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:25:06,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:25:06,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:25:06,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:25:06,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:25:06,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:25:06,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:25:06,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:25:06,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:25:06,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:25:06,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:25:06,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:25:06,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:25:06,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:25:06,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:25:06,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:25:06,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:25:06,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:25:06,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:25:06,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:25:06,157 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 06:25:06,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:25:06,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:25:06,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:25:06,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:25:06,215 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:25:06,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:25:06,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:25:06,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:25:06,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:25:06,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:25:06,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:25:06,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:25:06,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:25:06,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:25:06,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:25:06,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:25:06,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:25:06,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:25:06,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:25:06,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:25:06,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:25:06,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:25:06,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:25:06,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:25:06,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:25:06,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:25:06,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:25:06,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:25:06,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:25:06,221 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:25:06,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:25:06,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:25:06,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:25:06,726 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:25:06,726 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:25:06,727 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-25 06:25:06,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/039cf7eaa/9c2a379a888d41b19af2c19d9e59923f/FLAGe47b9f210 [2020-09-25 06:25:07,430 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:25:07,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-25 06:25:07,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/039cf7eaa/9c2a379a888d41b19af2c19d9e59923f/FLAGe47b9f210 [2020-09-25 06:25:07,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/039cf7eaa/9c2a379a888d41b19af2c19d9e59923f [2020-09-25 06:25:07,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:25:07,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:25:07,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:25:07,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:25:07,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:25:07,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:25:07" (1/1) ... [2020-09-25 06:25:07,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:07, skipping insertion in model container [2020-09-25 06:25:07,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:25:07" (1/1) ... [2020-09-25 06:25:07,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:25:07,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:25:08,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:25:08,162 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:25:08,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:25:08,392 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:25:08,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08 WrapperNode [2020-09-25 06:25:08,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:25:08,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:25:08,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:25:08,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:25:08,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (1/1) ... [2020-09-25 06:25:08,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:25:08,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:25:08,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:25:08,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:25:08,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (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 06:25:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:25:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:25:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:25:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:25:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:25:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:25:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:25:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:25:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:25:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:25:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:25:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:25:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:25:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:25:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:25:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:25:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:25:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:25:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:25:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:25:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:25:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:25:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:25:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:25:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:25:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:25:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:25:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:25:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:25:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:25:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:25:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:25:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:25:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:25:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:25:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:25:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:25:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:25:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:25:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:25:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:25:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:25:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:25:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:25:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:25:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:25:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:25:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:25:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:25:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:25:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:25:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:25:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:25:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:25:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:25:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:25:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:25:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:25:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:25:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:25:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:25:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:25:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:25:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:25:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:25:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:25:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:25:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:25:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:25:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:25:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:25:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:25:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:25:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:25:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:25:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:25:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:25:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:25:09,805 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:25:09,806 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:25:09,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:25:09 BoogieIcfgContainer [2020-09-25 06:25:09,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:25:09,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:25:09,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:25:09,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:25:09,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:25:07" (1/3) ... [2020-09-25 06:25:09,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e2c02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:25:09, skipping insertion in model container [2020-09-25 06:25:09,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:25:08" (2/3) ... [2020-09-25 06:25:09,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e2c02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:25:09, skipping insertion in model container [2020-09-25 06:25:09,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:25:09" (3/3) ... [2020-09-25 06:25:09,823 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-09-25 06:25:09,834 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:25:09,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:25:09,866 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:25:09,896 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:25:09,896 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:25:09,897 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:25:09,897 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:25:09,897 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:25:09,897 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:25:09,897 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:25:09,897 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:25:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2020-09-25 06:25:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:25:09,944 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:09,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:25:09,946 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:09,954 INFO L82 PathProgramCache]: Analyzing trace with hash -601923373, now seen corresponding path program 1 times [2020-09-25 06:25:09,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:09,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998992021] [2020-09-25 06:25:09,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:10,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:12,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:13,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:25:15,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:25:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 06:25:15,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:15,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:25:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:25:15,816 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:15,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:15,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 06:25:15,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:15,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:15,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:16,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:16,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:16,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:16,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:16,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:25:16,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:16,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:16,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:16,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:16,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:16,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:16,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:16,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:16,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:16,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:16,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:16,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:16,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:16,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:16,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:16,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:16,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:16,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:25:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:16,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:16,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:16,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:16,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:16,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:25:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:16,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:16,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:16,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:16,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:16,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:25:16,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:16,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:25:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:16,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:16,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:16,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:16,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:16,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:16,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:16,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:25:16,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998992021] [2020-09-25 06:25:16,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:16,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:25:16,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709077823] [2020-09-25 06:25:16,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:25:16,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:16,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:25:16,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:25:16,255 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 3 states. [2020-09-25 06:25:17,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:17,418 INFO L93 Difference]: Finished difference Result 363 states and 437 transitions. [2020-09-25 06:25:17,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:25:17,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:25:17,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:17,441 INFO L225 Difference]: With dead ends: 363 [2020-09-25 06:25:17,441 INFO L226 Difference]: Without dead ends: 238 [2020-09-25 06:25:17,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:25:17,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-25 06:25:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 199. [2020-09-25 06:25:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-09-25 06:25:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 213 transitions. [2020-09-25 06:25:17,540 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 213 transitions. Word has length 142 [2020-09-25 06:25:17,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:17,541 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 213 transitions. [2020-09-25 06:25:17,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:25:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 213 transitions. [2020-09-25 06:25:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:25:17,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:17,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:25:17,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:25:17,552 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:17,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:17,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1562275649, now seen corresponding path program 1 times [2020-09-25 06:25:17,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:17,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004498444] [2020-09-25 06:25:17,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:17,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:19,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:20,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:22,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:22,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:25:22,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:25:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 06:25:22,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:22,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:25:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:25:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:22,976 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:22,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 06:25:23,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:23,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:23,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:25:23,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:23,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:25:23,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:25:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:23,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:23,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:25:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:23,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:23,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:23,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:23,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:23,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:23,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:25:23,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004498444] [2020-09-25 06:25:23,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:23,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:25:23,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000283361] [2020-09-25 06:25:23,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:25:23,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:23,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:25:23,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:25:23,216 INFO L87 Difference]: Start difference. First operand 199 states and 213 transitions. Second operand 4 states. [2020-09-25 06:25:23,874 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:25:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:24,447 INFO L93 Difference]: Finished difference Result 271 states and 302 transitions. [2020-09-25 06:25:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:25:24,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:25:24,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:24,452 INFO L225 Difference]: With dead ends: 271 [2020-09-25 06:25:24,452 INFO L226 Difference]: Without dead ends: 221 [2020-09-25 06:25:24,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:25:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-09-25 06:25:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 189. [2020-09-25 06:25:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-25 06:25:24,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 200 transitions. [2020-09-25 06:25:24,491 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 200 transitions. Word has length 143 [2020-09-25 06:25:24,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:24,492 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 200 transitions. [2020-09-25 06:25:24,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:25:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 200 transitions. [2020-09-25 06:25:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 06:25:24,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:24,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:25:24,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:25:24,496 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1578650388, now seen corresponding path program 1 times [2020-09-25 06:25:24,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:24,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270713108] [2020-09-25 06:25:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:24,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:25,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:26,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:29,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:29,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 06:25:29,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:25:29,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 06:25:29,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:29,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:25:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 06:25:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 06:25:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:29,841 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:29,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:30,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-25 06:25:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 06:25:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:30,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:30,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:25:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:30,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:30,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:30,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:25:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:30,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:25:30,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:30,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:25:30,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:30,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:25:30,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:25:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:30,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:30,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 06:25:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:30,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:30,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:30,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:30,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:30,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:25:30,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:25:30,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270713108] [2020-09-25 06:25:30,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:30,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:25:30,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454632316] [2020-09-25 06:25:30,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:25:30,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:30,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:25:30,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:25:30,237 INFO L87 Difference]: Start difference. First operand 189 states and 200 transitions. Second operand 5 states. [2020-09-25 06:25:30,825 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:31,704 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:25:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:32,991 INFO L93 Difference]: Finished difference Result 470 states and 539 transitions. [2020-09-25 06:25:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:25:32,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 06:25:32,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:32,997 INFO L225 Difference]: With dead ends: 470 [2020-09-25 06:25:32,997 INFO L226 Difference]: Without dead ends: 391 [2020-09-25 06:25:32,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:25:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-09-25 06:25:33,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 320. [2020-09-25 06:25:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-09-25 06:25:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 352 transitions. [2020-09-25 06:25:33,083 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 352 transitions. Word has length 152 [2020-09-25 06:25:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:33,084 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 352 transitions. [2020-09-25 06:25:33,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:25:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 352 transitions. [2020-09-25 06:25:33,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-25 06:25:33,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:25:33,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:25:33,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:25:33,088 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:25:33,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:25:33,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1138116107, now seen corresponding path program 1 times [2020-09-25 06:25:33,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:25:33,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921264968] [2020-09-25 06:25:33,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:25:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:33,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:36,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 06:25:38,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:25:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 06:25:38,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:25:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:25:38,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 06:25:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,479 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:38,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:25:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:25:38,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 06:25:38,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:25:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:25:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:25:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:38,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:25:38,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:25:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:25:38,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:25:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:25:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 06:25:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:25:38,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:38,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:25:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 06:25:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:38,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:25:38,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:25:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:25:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 06:25:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:25:38,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:25:38,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:25:38,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:25:38,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:25:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:25:38,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:25:38,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:25:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:25:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:25:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:25:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:25:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:25:38,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921264968] [2020-09-25 06:25:38,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:25:38,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 06:25:38,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182444578] [2020-09-25 06:25:38,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 06:25:38,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:25:38,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 06:25:38,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:25:38,751 INFO L87 Difference]: Start difference. First operand 320 states and 352 transitions. Second operand 8 states. [2020-09-25 06:25:39,208 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:40,201 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:40,505 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:25:40,834 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:41,153 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:25:41,453 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:41,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:25:41,583 INFO L93 Difference]: Finished difference Result 542 states and 620 transitions. [2020-09-25 06:25:41,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 06:25:41,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-09-25 06:25:41,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:25:41,588 INFO L225 Difference]: With dead ends: 542 [2020-09-25 06:25:41,588 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:25:41,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 06:25:41,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:25:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:25:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:25:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:25:41,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-09-25 06:25:41,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:25:41,598 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:25:41,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 06:25:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:25:41,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:25:41,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:25:41,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:25:41,826 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:42,183 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:42,518 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:42,863 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:43,104 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 06:25:43,257 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:43,408 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:43,559 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:43,668 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-25 06:25:43,819 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:43,980 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:44,130 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:44,282 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:44,436 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:44,581 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:44,729 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:44,874 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:45,022 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:45,173 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:45,276 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-25 06:25:45,428 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:45,580 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:45,730 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:45,873 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:46,022 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:46,172 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:46,316 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:46,564 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:46,717 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:46,868 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:47,012 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:47,161 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:47,312 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:47,461 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:47,605 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:47,855 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:48,004 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:48,154 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:48,302 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:48,456 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:48,774 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:49,084 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:49,398 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:49,707 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:25:49,851 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:50,000 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:50,148 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:50,297 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:50,446 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:50,745 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 06:25:51,044 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 06:25:51,189 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:25:51,338 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:51,488 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:25:51,742 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:25:51,967 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:52,318 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 06:25:52,506 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:52,721 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:52,959 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:53,167 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:25:53,382 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:53,646 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:25:53,870 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:54,066 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:25:54,478 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 06:25:54,678 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:25:54,857 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:25:55,190 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 06:25:55,411 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 06:25:55,648 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:25:56,091 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-25 06:25:56,484 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 06:25:56,697 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20