/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:21:20,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:21:20,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:21:20,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:21:20,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:21:20,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:21:20,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:21:20,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:21:20,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:21:20,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:21:20,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:21:20,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:21:20,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:21:20,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:21:20,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:21:20,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:21:20,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:21:20,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:21:20,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:21:20,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:21:20,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:21:20,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:21:20,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:21:20,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:21:20,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:21:20,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:21:20,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:21:20,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:21:20,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:21:20,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:21:20,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:21:20,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:21:20,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:21:20,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:21:20,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:21:20,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:21:20,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:21:20,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:21:20,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:21:20,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:21:20,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:21:20,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:21:20,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:21:20,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:21:20,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:21:20,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:21:20,930 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:21:20,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:21:20,931 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:21:20,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:21:20,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:21:20,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:21:20,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:21:20,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:21:20,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:21:20,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:21:20,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:21:20,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:21:20,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:21:20,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:21:20,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:21:20,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:21:20,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:21:20,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:21:20,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:21:20,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:21:20,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:21:20,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:21:20,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:21:20,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:21:20,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:21:20,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:21:21,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:21:21,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:21:21,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:21:21,390 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:21:21,391 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:21:21,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-09-25 05:21:21,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b36577bea/084bf7ae1dd84c8b9761f6903f5544e7/FLAG56f72f90a [2020-09-25 05:21:22,063 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:21:22,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2020-09-25 05:21:22,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b36577bea/084bf7ae1dd84c8b9761f6903f5544e7/FLAG56f72f90a [2020-09-25 05:21:22,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b36577bea/084bf7ae1dd84c8b9761f6903f5544e7 [2020-09-25 05:21:22,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:21:22,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:21:22,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:21:22,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:21:22,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:21:22,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:21:22" (1/1) ... [2020-09-25 05:21:22,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:22, skipping insertion in model container [2020-09-25 05:21:22,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:21:22" (1/1) ... [2020-09-25 05:21:22,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:21:22,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:21:22,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:21:22,807 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:21:22,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:21:23,034 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:21:23,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23 WrapperNode [2020-09-25 05:21:23,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:21:23,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:21:23,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:21:23,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:21:23,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... [2020-09-25 05:21:23,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:21:23,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:21:23,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:21:23,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:21:23,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:21:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:21:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:21:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:21:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:21:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:21:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:21:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 05:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:21:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:21:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:21:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:21:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:21:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:21:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:21:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:21:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:21:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:21:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:21:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:21:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:21:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:21:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:21:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:21:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:21:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:21:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:21:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:21:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:21:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:21:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:21:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:21:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:21:24,355 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:21:24,355 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:21:24,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:21:24 BoogieIcfgContainer [2020-09-25 05:21:24,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:21:24,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:21:24,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:21:24,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:21:24,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:21:22" (1/3) ... [2020-09-25 05:21:24,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bbc56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:21:24, skipping insertion in model container [2020-09-25 05:21:24,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:21:23" (2/3) ... [2020-09-25 05:21:24,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bbc56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:21:24, skipping insertion in model container [2020-09-25 05:21:24,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:21:24" (3/3) ... [2020-09-25 05:21:24,372 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2020-09-25 05:21:24,383 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:21:24,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:21:24,415 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:21:24,447 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:21:24,447 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:21:24,447 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:21:24,447 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:21:24,447 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:21:24,448 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:21:24,448 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:21:24,448 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:21:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 05:21:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:21:24,497 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:24,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:24,499 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:24,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:24,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2060642327, now seen corresponding path program 1 times [2020-09-25 05:21:24,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:24,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881541220] [2020-09-25 05:21:24,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:24,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:25,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:26,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:27,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:29,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:29,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:21:29,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:21:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-09-25 05:21:29,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:29,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:29,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:29,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:21:29,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:29,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-09-25 05:21:30,509 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:30,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 05:21:30,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:30,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:30,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:30,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:30,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:30,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:30,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:30,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:30,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:30,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:21:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:30,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:21:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:30,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:30,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:21:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:30,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:30,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:30,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:21:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:30,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:30,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:30,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:30,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:30,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:30,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:30,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881541220] [2020-09-25 05:21:30,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:30,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:21:30,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292998982] [2020-09-25 05:21:30,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:21:30,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:30,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:21:30,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:21:30,870 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2020-09-25 05:21:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:32,831 INFO L93 Difference]: Finished difference Result 508 states and 600 transitions. [2020-09-25 05:21:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:21:32,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:21:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:32,867 INFO L225 Difference]: With dead ends: 508 [2020-09-25 05:21:32,867 INFO L226 Difference]: Without dead ends: 321 [2020-09-25 05:21:32,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:21:32,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-09-25 05:21:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 272. [2020-09-25 05:21:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-25 05:21:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 297 transitions. [2020-09-25 05:21:33,066 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 297 transitions. Word has length 160 [2020-09-25 05:21:33,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:33,067 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 297 transitions. [2020-09-25 05:21:33,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:21:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 297 transitions. [2020-09-25 05:21:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:21:33,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:33,080 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:33,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:21:33,081 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:33,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:33,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1530483194, now seen corresponding path program 1 times [2020-09-25 05:21:33,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:33,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895314156] [2020-09-25 05:21:33,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:33,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:34,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:35,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:36,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:21:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:21:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:21:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:21:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:21:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,506 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 05:21:38,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:38,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:38,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:38,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:38,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:38,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:38,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:21:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:38,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:38,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:38,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:21:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:38,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:38,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:21:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:38,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:38,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:21:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:38,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:21:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:38,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:38,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:38,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:38,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:38,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:38,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895314156] [2020-09-25 05:21:38,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:38,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:21:38,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912738] [2020-09-25 05:21:38,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:21:38,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:38,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:21:38,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:21:38,762 INFO L87 Difference]: Start difference. First operand 272 states and 297 transitions. Second operand 5 states. [2020-09-25 05:21:39,435 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:40,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:40,616 INFO L93 Difference]: Finished difference Result 427 states and 484 transitions. [2020-09-25 05:21:40,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:21:40,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:21:40,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:40,623 INFO L225 Difference]: With dead ends: 427 [2020-09-25 05:21:40,623 INFO L226 Difference]: Without dead ends: 310 [2020-09-25 05:21:40,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:21:40,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-09-25 05:21:40,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 262. [2020-09-25 05:21:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 05:21:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-09-25 05:21:40,697 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 161 [2020-09-25 05:21:40,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:40,699 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-09-25 05:21:40,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:21:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-09-25 05:21:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:21:40,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:40,704 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:40,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:21:40,705 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:40,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:40,705 INFO L82 PathProgramCache]: Analyzing trace with hash -667887568, now seen corresponding path program 1 times [2020-09-25 05:21:40,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:40,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654279213] [2020-09-25 05:21:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:40,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:41,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:41,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:43,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:45,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:45,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:21:45,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:21:45,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:21:45,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:45,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:45,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:21:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:21:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,094 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:46,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 05:21:46,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:46,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:46,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:46,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:46,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:46,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:46,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:21:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:46,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:46,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:21:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:21:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:46,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:21:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:21:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:46,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:46,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:21:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:46,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:46,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:46,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:46,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:46,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654279213] [2020-09-25 05:21:46,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:46,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:21:46,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036618151] [2020-09-25 05:21:46,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:21:46,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:46,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:21:46,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:21:46,357 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 6 states. [2020-09-25 05:21:46,982 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:49,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:49,131 INFO L93 Difference]: Finished difference Result 634 states and 738 transitions. [2020-09-25 05:21:49,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:21:49,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:21:49,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:49,138 INFO L225 Difference]: With dead ends: 634 [2020-09-25 05:21:49,138 INFO L226 Difference]: Without dead ends: 487 [2020-09-25 05:21:49,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:21:49,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-09-25 05:21:49,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 399. [2020-09-25 05:21:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-09-25 05:21:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 444 transitions. [2020-09-25 05:21:49,238 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 444 transitions. Word has length 174 [2020-09-25 05:21:49,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:49,238 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 444 transitions. [2020-09-25 05:21:49,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:21:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 444 transitions. [2020-09-25 05:21:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 05:21:49,242 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:49,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:49,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:21:49,243 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:49,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1365302591, now seen corresponding path program 1 times [2020-09-25 05:21:49,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:49,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212886965] [2020-09-25 05:21:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:49,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:52,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:54,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:54,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 05:21:54,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:21:54,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 05:21:54,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:54,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:21:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 05:21:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 05:21:54,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:54,739 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:54,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:54,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:54,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:54,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:54,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 05:21:54,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:54,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:54,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:54,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:54,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:54,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:54,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:54,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:54,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:54,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:54,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:54,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:54,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:54,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:54,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:54,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:54,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:54,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:54,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:54,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:54,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:54,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:54,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:54,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:55,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:55,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:55,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:55,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:55,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:55,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 05:21:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:55,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:21:55,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:21:55,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:21:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:55,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:21:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:55,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:21:55,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:21:55,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:55,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:55,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:55,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:55,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 05:21:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:55,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:55,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:55,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:55,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 05:21:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:55,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:55,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:55,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:55,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:21:55,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:55,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:21:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:21:55,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212886965] [2020-09-25 05:21:55,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:55,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:21:55,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727999302] [2020-09-25 05:21:55,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:21:55,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:55,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:21:55,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:21:55,298 INFO L87 Difference]: Start difference. First operand 399 states and 444 transitions. Second operand 10 states. [2020-09-25 05:21:55,852 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:56,825 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:57,170 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:21:58,187 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:58,526 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:21:58,845 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:58,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:58,916 INFO L93 Difference]: Finished difference Result 640 states and 760 transitions. [2020-09-25 05:21:58,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 05:21:58,918 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 05:21:58,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:58,920 INFO L225 Difference]: With dead ends: 640 [2020-09-25 05:21:58,920 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:21:58,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:21:58,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:21:58,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:21:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:21:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:21:58,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-09-25 05:21:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:58,923 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:21:58,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:21:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:21:58,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:21:58,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:21:58,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:21:59,161 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:59,335 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:59,500 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:59,680 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:59,844 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:00,009 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:00,168 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:00,329 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:00,486 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:00,649 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:00,785 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 05:22:00,963 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:01,116 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:01,273 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:01,445 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:01,788 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:22:02,114 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:22:02,442 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:22:02,770 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:22:02,919 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:03,070 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:03,225 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:03,380 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:03,528 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:03,683 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:03,837 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:03,990 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:04,141 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:04,291 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:04,445 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:04,602 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:04,758 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:04,910 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:05,065 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:05,229 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:05,377 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:05,531 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:05,679 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:05,832 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:05,985 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:06,139 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:06,289 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:06,441 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:06,596 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:06,746 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:06,898 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:07,052 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:07,205 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:07,311 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 05:22:07,460 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:07,614 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:07,777 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:07,926 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:08,082 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:08,188 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 05:22:08,353 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:08,515 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:08,618 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 05:22:08,772 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:08,943 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:09,058 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 05:22:09,212 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:09,364 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:09,526 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:09,679 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:09,832 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:09,985 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:10,133 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:10,238 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 05:22:10,646 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 05:22:10,830 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 05:22:11,028 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:22:11,436 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 05:22:11,833 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7