/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=0.2 --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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:58:47,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:58:47,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:58:47,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:58:47,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:58:47,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:58:47,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:58:47,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:58:47,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:58:47,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:58:47,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:58:47,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:58:47,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:58:47,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:58:47,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:58:47,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:58:47,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:58:47,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:58:47,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:58:47,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:58:47,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:58:47,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:58:47,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:58:47,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:58:47,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:58:47,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:58:47,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:58:47,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:58:47,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:58:47,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:58:47,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:58:47,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:58:47,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:58:47,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:58:47,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:58:47,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:58:47,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:58:47,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:58:47,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:58:47,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:58:47,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:58:47,979 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 03:58:48,003 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:58:48,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:58:48,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:58:48,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:58:48,005 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:58:48,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:58:48,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:58:48,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:58:48,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:58:48,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:58:48,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:58:48,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:58:48,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:58:48,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:58:48,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:58:48,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:58:48,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:58:48,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:58:48,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:58:48,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:58:48,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:58:48,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:58:48,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:58:48,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:58:48,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:58:48,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:58:48,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:58:48,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:58:48,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:58:48,010 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 03:58:49,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:58:49,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:58:49,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:58:49,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:58:49,112 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:58:49,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-25 03:58:49,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f031df128/856fe89523464e728e461959298ae48b/FLAG9256fae80 [2020-09-25 03:58:49,827 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:58:49,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-25 03:58:49,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f031df128/856fe89523464e728e461959298ae48b/FLAG9256fae80 [2020-09-25 03:58:50,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f031df128/856fe89523464e728e461959298ae48b [2020-09-25 03:58:50,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:58:50,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:58:50,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:58:50,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:58:50,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:58:50,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50, skipping insertion in model container [2020-09-25 03:58:50,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:58:50,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:58:50,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:58:50,751 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:58:50,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:58:50,887 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:58:50,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50 WrapperNode [2020-09-25 03:58:50,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:58:50,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:58:50,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:58:50,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:58:50,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (1/1) ... [2020-09-25 03:58:50,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:58:50,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:58:50,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:58:50,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:58:50,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (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 03:58:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:58:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:58:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:58:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:58:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:58:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:58:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 03:58:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:58:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:58:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:58:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:58:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:58:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:58:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:58:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:58:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:58:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:58:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:58:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:58:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:58:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:58:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:58:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:58:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:58:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:58:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:58:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:58:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:58:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:58:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:58:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:58:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:58:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:58:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:58:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:58:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:58:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:58:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:58:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:58:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:58:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:58:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:58:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:58:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:58:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:58:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:58:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:58:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 03:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:58:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:58:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:58:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:58:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:58:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:58:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:58:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:58:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:58:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:58:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:58:52,229 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:58:52,229 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:58:52,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:58:52 BoogieIcfgContainer [2020-09-25 03:58:52,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:58:52,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:58:52,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:58:52,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:58:52,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:58:50" (1/3) ... [2020-09-25 03:58:52,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b85739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:58:52, skipping insertion in model container [2020-09-25 03:58:52,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:58:50" (2/3) ... [2020-09-25 03:58:52,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b85739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:58:52, skipping insertion in model container [2020-09-25 03:58:52,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:58:52" (3/3) ... [2020-09-25 03:58:52,247 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-09-25 03:58:52,260 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:58:52,271 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:58:52,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:58:52,332 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:58:52,333 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:58:52,333 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:58:52,333 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:58:52,333 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:58:52,333 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:58:52,333 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:58:52,333 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:58:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2020-09-25 03:58:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:58:52,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:58:52,380 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 03:58:52,381 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:58:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:58:52,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1560452623, now seen corresponding path program 1 times [2020-09-25 03:58:52,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:58:52,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619499146] [2020-09-25 03:58:52,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:58:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:54,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:55,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:57,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:57,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:58:57,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:58:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 03:58:57,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:57,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 03:58:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:58:58,254 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:58:58,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:58:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:58:58,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 03:58:58,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:58:58,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:58:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:58:58,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:58:58,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:58:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:58:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:58:58,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:58:58,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:58:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:58:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:58:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:58:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:58:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:58:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:58:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:58:58,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:58:58,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:58:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:58:58,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:58:58,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:58:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:58:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:58:58,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:58:58,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:58:58,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:58:58,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:58:58,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:58:58,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:58:58,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:58:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:58:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:58:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:58:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:58:58,594 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 03:58:58,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619499146] [2020-09-25 03:58:58,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:58:58,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:58:58,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542267098] [2020-09-25 03:58:58,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:58:58,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:58:58,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:58:58,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:58:58,634 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 3 states. [2020-09-25 03:58:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:58:59,874 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-09-25 03:58:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:58:59,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 03:58:59,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:58:59,899 INFO L225 Difference]: With dead ends: 372 [2020-09-25 03:58:59,899 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 03:58:59,905 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 03:58:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 03:59:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 203. [2020-09-25 03:59:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-25 03:59:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 217 transitions. [2020-09-25 03:59:00,041 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 217 transitions. Word has length 142 [2020-09-25 03:59:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:00,048 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 217 transitions. [2020-09-25 03:59:00,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:59:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2020-09-25 03:59:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 03:59:00,057 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:00,057 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 03:59:00,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:59:00,059 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:00,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:00,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1400986661, now seen corresponding path program 1 times [2020-09-25 03:59:00,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:00,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528783625] [2020-09-25 03:59:00,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:00,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:01,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:02,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:03,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 03:59:05,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:59:05,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 03:59:05,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 03:59:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:59:05,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,470 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:05,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 03:59:05,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:05,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:05,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:05,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:05,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:05,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:59:05,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:05,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:59:05,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:59:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:05,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:05,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 03:59:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:05,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:05,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:05,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:05,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:05,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:05,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:05,706 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 03:59:05,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528783625] [2020-09-25 03:59:05,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:05,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 03:59:05,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115778197] [2020-09-25 03:59:05,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 03:59:05,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:05,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 03:59:05,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 03:59:05,712 INFO L87 Difference]: Start difference. First operand 203 states and 217 transitions. Second operand 4 states. [2020-09-25 03:59:06,366 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:07,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:07,077 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2020-09-25 03:59:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 03:59:07,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 03:59:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:07,084 INFO L225 Difference]: With dead ends: 276 [2020-09-25 03:59:07,084 INFO L226 Difference]: Without dead ends: 226 [2020-09-25 03:59:07,086 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 03:59:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-25 03:59:07,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2020-09-25 03:59:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 03:59:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 204 transitions. [2020-09-25 03:59:07,120 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 204 transitions. Word has length 143 [2020-09-25 03:59:07,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:07,121 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 204 transitions. [2020-09-25 03:59:07,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 03:59:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 204 transitions. [2020-09-25 03:59:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 03:59:07,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:07,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:59:07,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:59:07,124 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:07,124 INFO L82 PathProgramCache]: Analyzing trace with hash 424122096, now seen corresponding path program 1 times [2020-09-25 03:59:07,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:07,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200830039] [2020-09-25 03:59:07,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:07,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:08,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 03:59:12,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:59:12,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 03:59:12,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 03:59:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:59:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,526 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:12,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:12,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 03:59:12,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:12,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:59:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:12,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:12,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:12,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 03:59:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:59:12,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:12,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:59:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:59:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:12,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:12,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:59:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:12,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:12,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:12,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:12,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:12,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:12,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:12,753 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 03:59:12,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200830039] [2020-09-25 03:59:12,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:12,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:59:12,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049912854] [2020-09-25 03:59:12,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:59:12,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:12,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:59:12,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:59:12,756 INFO L87 Difference]: Start difference. First operand 193 states and 204 transitions. Second operand 5 states. [2020-09-25 03:59:13,279 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:59:14,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:14,602 INFO L93 Difference]: Finished difference Result 421 states and 487 transitions. [2020-09-25 03:59:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:59:14,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 03:59:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:14,612 INFO L225 Difference]: With dead ends: 421 [2020-09-25 03:59:14,612 INFO L226 Difference]: Without dead ends: 338 [2020-09-25 03:59:14,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:59:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-25 03:59:14,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 260. [2020-09-25 03:59:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-25 03:59:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2020-09-25 03:59:14,680 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 156 [2020-09-25 03:59:14,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:14,680 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2020-09-25 03:59:14,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:59:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2020-09-25 03:59:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 03:59:14,683 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:14,684 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] [2020-09-25 03:59:14,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:59:14,684 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:14,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:14,685 INFO L82 PathProgramCache]: Analyzing trace with hash -287515457, now seen corresponding path program 1 times [2020-09-25 03:59:14,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:14,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553995055] [2020-09-25 03:59:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:14,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:17,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:19,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:19,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 03:59:19,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:59:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 03:59:19,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:19,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:59:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 03:59:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 03:59:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:59:20,357 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:20,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:20,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 03:59:20,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:20,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:20,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:20,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:59:20,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:20,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:20,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:20,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:20,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 03:59:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:59:20,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:20,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:20,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:59:20,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 03:59:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:59:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:59:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:20,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:59:20,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:59:20,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:59:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:20,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:20,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:20,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:20,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:20,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 03:59:20,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:20,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:59:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:59:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:59:20,800 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 03:59:20,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553995055] [2020-09-25 03:59:20,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:20,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:59:20,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434354860] [2020-09-25 03:59:20,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:59:20,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:20,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:59:20,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:59:20,805 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 9 states. [2020-09-25 03:59:21,560 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:22,648 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:23,000 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:59:23,355 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:59:23,685 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:59:23,993 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:59:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:24,206 INFO L93 Difference]: Finished difference Result 447 states and 515 transitions. [2020-09-25 03:59:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:59:24,206 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 03:59:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:24,207 INFO L225 Difference]: With dead ends: 447 [2020-09-25 03:59:24,208 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:59:24,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:59:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:59:24,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:59:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:59:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:59:24,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-09-25 03:59:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:24,216 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:59:24,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:59:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:59:24,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:59:24,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:59:24,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:59:24,425 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:24,604 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:24,742 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 03:59:24,871 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 03:59:25,040 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:25,379 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 03:59:25,705 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 03:59:26,023 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 03:59:26,265 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 03:59:26,423 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:26,577 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:26,730 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:26,884 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:27,045 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:27,362 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 03:59:27,677 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 03:59:27,996 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 03:59:28,233 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 03:59:28,342 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 03:59:28,498 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:28,653 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:28,813 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:29,228 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 03:59:29,546 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 03:59:29,862 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 03:59:30,001 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:30,154 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:30,307 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:30,461 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:30,614 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:30,767 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:30,916 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:31,071 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:31,220 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:31,373 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:31,528 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:31,686 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:31,839 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:31,988 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:32,142 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:32,302 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:32,455 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:32,607 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:32,760 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:32,865 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 03:59:33,017 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:33,169 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:33,329 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:33,481 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:33,629 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:33,782 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:34,099 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 03:59:34,416 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 03:59:34,732 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 03:59:34,988 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:59:35,240 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:35,445 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:35,875 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 03:59:36,103 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:36,313 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 03:59:36,529 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:36,747 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:37,140 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 03:59:37,351 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 03:59:37,516 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:37,672 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-09-25 03:59:37,902 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:38,113 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 03:59:38,508 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 03:59:38,723 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 03:59:39,145 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 03:59:39,324 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 03:59:39,541 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 03:59:39,793 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1