/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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:25:59,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:25:59,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:25:59,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:25:59,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:25:59,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:25:59,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:25:59,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:25:59,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:25:59,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:25:59,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:25:59,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:25:59,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:25:59,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:25:59,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:25:59,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:25:59,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:25:59,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:25:59,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:25:59,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:25:59,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:25:59,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:25:59,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:25:59,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:25:59,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:25:59,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:25:59,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:25:59,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:25:59,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:25:59,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:25:59,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:25:59,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:25:59,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:25:59,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:25:59,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:25:59,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:25:59,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:25:59,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:25:59,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:25:59,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:25:59,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:25:59,721 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 06:25:59,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:25:59,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:25:59,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:25:59,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:25:59,771 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:25:59,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:25:59,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:25:59,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:25:59,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:25:59,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:25:59,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:25:59,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:25:59,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:25:59,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:25:59,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:25:59,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:25:59,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:25:59,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:25:59,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:25:59,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:25:59,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:25:59,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:25:59,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:25:59,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:25:59,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:25:59,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:25:59,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:25:59,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:25:59,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:25:59,778 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 06:26:00,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:26:00,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:26:00,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:26:00,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:26:00,249 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:26:00,251 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 06:26:00,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/269b23f6f/75785bf5a82c472faedb5015b882bc95/FLAGf33d2c3c0 [2020-09-25 06:26:00,989 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:26:00,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 06:26:01,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/269b23f6f/75785bf5a82c472faedb5015b882bc95/FLAGf33d2c3c0 [2020-09-25 06:26:01,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/269b23f6f/75785bf5a82c472faedb5015b882bc95 [2020-09-25 06:26:01,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:26:01,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:26:01,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:26:01,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:26:01,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:26:01,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:01,216 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 06:26:01, skipping insertion in model container [2020-09-25 06:26:01,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:01,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:26:01,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:26:01,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:26:01,779 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:26:01,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:26:01,918 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:26:01,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01 WrapperNode [2020-09-25 06:26:01,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:26:01,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:26:01,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:26:01,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:26:01,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:01,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:01,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:01,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:02,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:02,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:02,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (1/1) ... [2020-09-25 06:26:02,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:26:02,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:26:02,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:26:02,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:26:02,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (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 06:26:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:26:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:26:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:26:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:26:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:26:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:26:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:26:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:26:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:26:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:26:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:26:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:26:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:26:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:26:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:26:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:26:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:26:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:26:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:26:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:26:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:26:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:26:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:26:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:26:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:26:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:26:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:26:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:26:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:26:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:26:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:26:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:26:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:26:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:26:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:26:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:26:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:26:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:26:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:26:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:26:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:26:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:26:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:26:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:26:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:26:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:26:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:26:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:26:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:26:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:26:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:26:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:26:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:26:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:26:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:26:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:26:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:26:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:26:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:26:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:26:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:26:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:26:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:26:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:26:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:26:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:26:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:26:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:26:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:26:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:26:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:26:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:26:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:26:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:26:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:26:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:26:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:26:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:26:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:26:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:26:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:26:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:26:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:26:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:26:03,324 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:26:03,325 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:26:03,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:03 BoogieIcfgContainer [2020-09-25 06:26:03,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:26:03,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:26:03,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:26:03,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:26:03,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:26:01" (1/3) ... [2020-09-25 06:26:03,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10abd259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:03, skipping insertion in model container [2020-09-25 06:26:03,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:01" (2/3) ... [2020-09-25 06:26:03,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10abd259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:03, skipping insertion in model container [2020-09-25 06:26:03,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:03" (3/3) ... [2020-09-25 06:26:03,343 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-09-25 06:26:03,356 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:26:03,368 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:26:03,393 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:26:03,430 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:26:03,430 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:26:03,430 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:26:03,430 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:26:03,431 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:26:03,431 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:26:03,431 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:26:03,431 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:26:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-25 06:26:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:26:03,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:03,483 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 06:26:03,484 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:03,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:03,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2064914024, now seen corresponding path program 1 times [2020-09-25 06:26:03,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:03,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817000296] [2020-09-25 06:26:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:04,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:04,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:05,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:06,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:08,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:08,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:26:08,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:08,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 06:26:08,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:08,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:26:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:26:09,330 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:09,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 06:26:09,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:09,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:09,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:09,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:09,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:09,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:09,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:09,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:26:09,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:09,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:09,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:26:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:09,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:09,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:26:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:09,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:09,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:09,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:09,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:09,780 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 06:26:09,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817000296] [2020-09-25 06:26:09,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:09,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:26:09,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464511152] [2020-09-25 06:26:09,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:26:09,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:09,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:26:09,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:26:09,825 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 3 states. [2020-09-25 06:26:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:11,140 INFO L93 Difference]: Finished difference Result 427 states and 512 transitions. [2020-09-25 06:26:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:26:11,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:26:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:11,176 INFO L225 Difference]: With dead ends: 427 [2020-09-25 06:26:11,176 INFO L226 Difference]: Without dead ends: 271 [2020-09-25 06:26:11,184 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 06:26:11,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-25 06:26:11,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2020-09-25 06:26:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-25 06:26:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 249 transitions. [2020-09-25 06:26:11,314 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 249 transitions. Word has length 142 [2020-09-25 06:26:11,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:11,315 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 249 transitions. [2020-09-25 06:26:11,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:26:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 249 transitions. [2020-09-25 06:26:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:26:11,321 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:11,321 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 06:26:11,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:26:11,322 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:11,322 INFO L82 PathProgramCache]: Analyzing trace with hash -702523379, now seen corresponding path program 1 times [2020-09-25 06:26:11,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:11,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549433337] [2020-09-25 06:26:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:11,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:11,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:13,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:14,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:26:16,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:26:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 06:26:16,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:16,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:26:16,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:26:16,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,744 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:16,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:16,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 06:26:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:16,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:16,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:16,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:16,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:16,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:16,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:26:16,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:16,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:16,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:16,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:26:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:16,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:16,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:26:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:16,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:16,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:16,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:16,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:16,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:16,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:16,971 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 06:26:16,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549433337] [2020-09-25 06:26:16,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:16,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:26:16,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367376575] [2020-09-25 06:26:16,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:26:16,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:16,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:26:16,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:26:16,980 INFO L87 Difference]: Start difference. First operand 230 states and 249 transitions. Second operand 4 states. [2020-09-25 06:26:17,695 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:26:18,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:18,609 INFO L93 Difference]: Finished difference Result 338 states and 379 transitions. [2020-09-25 06:26:18,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:26:18,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:26:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:18,615 INFO L225 Difference]: With dead ends: 338 [2020-09-25 06:26:18,615 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 06:26:18,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:26:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 06:26:18,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 220. [2020-09-25 06:26:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-25 06:26:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 236 transitions. [2020-09-25 06:26:18,659 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 236 transitions. Word has length 143 [2020-09-25 06:26:18,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:18,660 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 236 transitions. [2020-09-25 06:26:18,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:26:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 236 transitions. [2020-09-25 06:26:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 06:26:18,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:18,663 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 06:26:18,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:26:18,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:18,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:18,664 INFO L82 PathProgramCache]: Analyzing trace with hash -79704133, now seen corresponding path program 1 times [2020-09-25 06:26:18,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:18,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118741094] [2020-09-25 06:26:18,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:19,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:20,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:21,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:23,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:23,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 06:26:23,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 06:26:23,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:23,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:26:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 06:26:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 06:26:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,087 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:24,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:24,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 06:26:24,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 06:26:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:24,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:26:24,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:26:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:24,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:24,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:26:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:24,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:26:24,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:24,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:24,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:24,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:24,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:26:24,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:26:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:24,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:24,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 06:26:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:24,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:24,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:24,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:24,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:24,594 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 06:26:24,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118741094] [2020-09-25 06:26:24,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:24,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:26:24,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86479212] [2020-09-25 06:26:24,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:26:24,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:24,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:26:24,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:26:24,604 INFO L87 Difference]: Start difference. First operand 220 states and 236 transitions. Second operand 5 states. [2020-09-25 06:26:25,276 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:26,195 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:26:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:27,499 INFO L93 Difference]: Finished difference Result 567 states and 653 transitions. [2020-09-25 06:26:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:26:27,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 06:26:27,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:27,506 INFO L225 Difference]: With dead ends: 567 [2020-09-25 06:26:27,507 INFO L226 Difference]: Without dead ends: 457 [2020-09-25 06:26:27,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:26:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-09-25 06:26:27,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 394. [2020-09-25 06:26:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-25 06:26:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 440 transitions. [2020-09-25 06:26:27,583 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 440 transitions. Word has length 152 [2020-09-25 06:26:27,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:27,584 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 440 transitions. [2020-09-25 06:26:27,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:26:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 440 transitions. [2020-09-25 06:26:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:26:27,587 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:27,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:26:27,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:26:27,588 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:27,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:27,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1301194482, now seen corresponding path program 1 times [2020-09-25 06:26:27,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:27,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950376372] [2020-09-25 06:26:27,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:27,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:28,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:28,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:32,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:32,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 06:26:32,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:32,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 06:26:32,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:32,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:26:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:26:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 06:26:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,013 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:33,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 06:26:33,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:33,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:33,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:33,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:33,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:33,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:33,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 06:26:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:26:33,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:26:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:26:33,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:26:33,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:26:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:33,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:26:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:33,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:26:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:33,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:33,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:26:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:33,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:26:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:26:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,315 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 06:26:33,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950376372] [2020-09-25 06:26:33,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:33,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:26:33,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631717193] [2020-09-25 06:26:33,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:26:33,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:33,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:26:33,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:26:33,319 INFO L87 Difference]: Start difference. First operand 394 states and 440 transitions. Second operand 9 states. [2020-09-25 06:26:33,857 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:34,973 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:26:35,311 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:26:35,651 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:35,976 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:26:36,281 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:36,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:36,387 INFO L93 Difference]: Finished difference Result 630 states and 732 transitions. [2020-09-25 06:26:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:26:36,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 06:26:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:36,389 INFO L225 Difference]: With dead ends: 630 [2020-09-25 06:26:36,389 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:26:36,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:26:36,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:26:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:26:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:26:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:26:36,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-09-25 06:26:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:36,393 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:26:36,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:26:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:26:36,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:26:36,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:26:36,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:26:36,784 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:37,062 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:37,315 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:37,650 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:37,804 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:37,963 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,113 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,263 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,418 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,568 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,717 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,865 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:38,974 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 06:26:39,123 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:39,276 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:39,432 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:39,581 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:39,732 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:39,879 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:40,027 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:40,175 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:40,325 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:40,478 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:40,625 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:40,771 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:40,922 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:41,069 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:41,218 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:41,365 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:41,514 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:41,666 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:41,817 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:41,965 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:42,116 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:42,261 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:42,412 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:42,561 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:42,710 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:42,856 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:43,006 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:43,158 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:43,265 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 06:26:43,408 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:43,559 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:43,707 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:44,030 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:44,269 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:44,508 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 06:26:44,820 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 06:26:44,971 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:45,226 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:45,379 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:45,532 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:45,779 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:45,927 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:46,031 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 06:26:46,182 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:46,368 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:46,517 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:46,662 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:46,812 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:47,296 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-25 06:26:47,665 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 06:26:47,896 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:48,110 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:48,338 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 06:26:48,522 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:48,848 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:49,266 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 06:26:49,475 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:26:49,693 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:26:50,027 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 06:26:50,266 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:26:50,437 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:26:50,839 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 06:26:51,048 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:26:51,277 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1