/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 --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:04:45,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:04:45,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:04:45,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:04:45,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:04:45,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:04:45,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:04:45,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:04:45,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:04:45,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:04:45,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:04:45,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:04:45,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:04:45,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:04:45,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:04:45,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:04:45,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:04:45,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:04:45,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:04:45,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:04:45,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:04:45,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:04:45,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:04:45,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:04:45,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:04:45,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:04:45,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:04:45,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:04:45,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:04:45,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:04:45,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:04:45,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:04:45,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:04:45,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:04:45,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:04:45,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:04:45,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:04:45,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:04:45,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:04:45,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:04:45,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:04:45,868 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 [2020-09-21 10:04:45,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:04:45,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:04:45,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:04:45,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:04:45,918 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:04:45,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:04:45,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:04:45,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:04:45,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:04:45,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:04:45,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:04:45,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:04:45,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:04:45,922 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:04:45,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:04:45,922 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:04:45,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:04:45,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:04:45,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:04:45,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:04:45,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:04:45,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:04:45,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:04:45,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:04:45,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:04:45,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:04:45,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:04:45,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:04:45,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:04:45,925 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.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-21 10:04:46,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:04:46,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:04:46,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:04:46,379 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:04:46,379 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:04:46,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-21 10:04:46,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe8bdd203/a6f5404e28b74bfab76e6ece4924ba25/FLAGe9a7c1fed [2020-09-21 10:04:47,087 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:04:47,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-21 10:04:47,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe8bdd203/a6f5404e28b74bfab76e6ece4924ba25/FLAGe9a7c1fed [2020-09-21 10:04:47,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe8bdd203/a6f5404e28b74bfab76e6ece4924ba25 [2020-09-21 10:04:47,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:04:47,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:04:47,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:04:47,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:04:47,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:04:47,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:47" (1/1) ... [2020-09-21 10:04:47,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:47, skipping insertion in model container [2020-09-21 10:04:47,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:47" (1/1) ... [2020-09-21 10:04:47,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:04:47,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:04:47,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:04:47,934 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:04:48,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:04:48,074 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:04:48,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48 WrapperNode [2020-09-21 10:04:48,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:04:48,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:04:48,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:04:48,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:04:48,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (1/1) ... [2020-09-21 10:04:48,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:04:48,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:04:48,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:04:48,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:04:48,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (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 [2020-09-21 10:04:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:04:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:04:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 10:04:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 10:04:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 10:04:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 10:04:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 10:04:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 10:04:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 10:04:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 10:04:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 10:04:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 10:04:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 10:04:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 10:04:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 10:04:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 10:04:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 10:04:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 10:04:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 10:04:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 10:04:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 10:04:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 10:04:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:04:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 10:04:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 10:04:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 10:04:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 10:04:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 10:04:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 10:04:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 10:04:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 10:04:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 10:04:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 10:04:48,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 10:04:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:04:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:04:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 10:04:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 10:04:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 10:04:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 10:04:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 10:04:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 10:04:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:04:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:04:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 10:04:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 10:04:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 10:04:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 10:04:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 10:04:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 10:04:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 10:04:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 10:04:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 10:04:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 10:04:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 10:04:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 10:04:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 10:04:48,289 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 10:04:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 10:04:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 10:04:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 10:04:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:04:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 10:04:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 10:04:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 10:04:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 10:04:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 10:04:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 10:04:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 10:04:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 10:04:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 10:04:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:04:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 10:04:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 10:04:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 10:04:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 10:04:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:04:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 10:04:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 10:04:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 10:04:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 10:04:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 10:04:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 10:04:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 10:04:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 10:04:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 10:04:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 10:04:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 10:04:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 10:04:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 10:04:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 10:04:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 10:04:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 10:04:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 10:04:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 10:04:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:04:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 10:04:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:04:49,390 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:04:49,390 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 10:04:49,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:49 BoogieIcfgContainer [2020-09-21 10:04:49,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:04:49,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:04:49,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:04:49,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:04:49,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:04:47" (1/3) ... [2020-09-21 10:04:49,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104d44a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:04:49, skipping insertion in model container [2020-09-21 10:04:49,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:48" (2/3) ... [2020-09-21 10:04:49,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104d44a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:04:49, skipping insertion in model container [2020-09-21 10:04:49,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:49" (3/3) ... [2020-09-21 10:04:49,412 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-09-21 10:04:49,424 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:04:49,438 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:04:49,459 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:04:49,489 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:04:49,489 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:04:49,489 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:04:49,489 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:04:49,489 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:04:49,489 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:04:49,490 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:04:49,490 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:04:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-09-21 10:04:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 10:04:49,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:49,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:49,533 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:49,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:49,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1379034855, now seen corresponding path program 1 times [2020-09-21 10:04:49,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:49,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390303968] [2020-09-21 10:04:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,293 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:50,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:04:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:04:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:50,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390303968] [2020-09-21 10:04:50,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:50,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:04:50,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628589620] [2020-09-21 10:04:50,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:04:50,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:50,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:04:50,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:04:50,473 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-09-21 10:04:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:51,849 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-09-21 10:04:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 10:04:51,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 10:04:51,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:51,870 INFO L225 Difference]: With dead ends: 303 [2020-09-21 10:04:51,870 INFO L226 Difference]: Without dead ends: 170 [2020-09-21 10:04:51,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:04:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-09-21 10:04:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-09-21 10:04:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 10:04:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-09-21 10:04:52,017 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-09-21 10:04:52,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:52,017 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-09-21 10:04:52,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:04:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-09-21 10:04:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 10:04:52,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:52,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:52,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:04:52,022 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:52,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:52,023 INFO L82 PathProgramCache]: Analyzing trace with hash 164861133, now seen corresponding path program 1 times [2020-09-21 10:04:52,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:52,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251386824] [2020-09-21 10:04:52,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,387 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:04:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 10:04:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:52,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251386824] [2020-09-21 10:04:52,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:52,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:04:52,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143889643] [2020-09-21 10:04:52,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:04:52,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:52,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:04:52,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:04:52,457 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-09-21 10:04:53,047 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:04:54,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:54,271 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-09-21 10:04:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:04:54,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 10:04:54,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:54,276 INFO L225 Difference]: With dead ends: 238 [2020-09-21 10:04:54,277 INFO L226 Difference]: Without dead ends: 160 [2020-09-21 10:04:54,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:04:54,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-09-21 10:04:54,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-09-21 10:04:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 10:04:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-09-21 10:04:54,323 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-09-21 10:04:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:54,323 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-09-21 10:04:54,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:04:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-09-21 10:04:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 10:04:54,326 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:54,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:54,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:04:54,327 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:54,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:54,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1116626050, now seen corresponding path program 1 times [2020-09-21 10:04:54,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:54,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286990463] [2020-09-21 10:04:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,781 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:54,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:04:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 10:04:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:54,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286990463] [2020-09-21 10:04:54,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:54,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:04:54,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280844967] [2020-09-21 10:04:54,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:04:54,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:54,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:04:54,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:04:54,899 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 9 states. [2020-09-21 10:04:55,403 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:55,833 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:56,192 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:56,541 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:57,487 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:04:59,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:59,677 INFO L93 Difference]: Finished difference Result 427 states and 544 transitions. [2020-09-21 10:04:59,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 10:04:59,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-09-21 10:04:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:59,683 INFO L225 Difference]: With dead ends: 427 [2020-09-21 10:04:59,683 INFO L226 Difference]: Without dead ends: 330 [2020-09-21 10:04:59,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 10:04:59,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-09-21 10:04:59,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 261. [2020-09-21 10:04:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-09-21 10:04:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2020-09-21 10:04:59,763 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2020-09-21 10:04:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:59,763 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2020-09-21 10:04:59,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:04:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2020-09-21 10:04:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 10:04:59,766 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:59,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:59,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:04:59,767 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:59,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1686629375, now seen corresponding path program 1 times [2020-09-21 10:04:59,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:59,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034714081] [2020-09-21 10:04:59,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,190 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:05:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:05:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:05:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:05:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:05:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:05:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:05:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:05:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 10:05:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 10:05:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:05:00,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034714081] [2020-09-21 10:05:00,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:05:00,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:05:00,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300316898] [2020-09-21 10:05:00,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:05:00,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:05:00,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:05:00,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:05:00,331 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 9 states. [2020-09-21 10:05:00,841 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:02,280 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:02,777 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:03,143 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:03,526 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:05,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:05:05,418 INFO L93 Difference]: Finished difference Result 840 states and 1128 transitions. [2020-09-21 10:05:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 10:05:05,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 10:05:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:05:05,436 INFO L225 Difference]: With dead ends: 840 [2020-09-21 10:05:05,436 INFO L226 Difference]: Without dead ends: 607 [2020-09-21 10:05:05,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:05:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-09-21 10:05:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 470. [2020-09-21 10:05:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-09-21 10:05:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2020-09-21 10:05:05,600 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2020-09-21 10:05:05,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:05:05,600 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2020-09-21 10:05:05,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:05:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2020-09-21 10:05:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 10:05:05,605 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:05:05,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:05:05,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:05:05,605 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:05:05,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:05:05,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1821599845, now seen corresponding path program 1 times [2020-09-21 10:05:05,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:05:05,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184779176] [2020-09-21 10:05:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:05:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,058 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:05:06,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:05:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:05:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:05:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:05:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:05:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:05:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 10:05:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 10:05:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 10:05:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 10:05:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:05:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:05:06,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184779176] [2020-09-21 10:05:06,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:05:06,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 10:05:06,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926155535] [2020-09-21 10:05:06,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:05:06,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:05:06,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:05:06,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:05:06,212 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 10 states. [2020-09-21 10:05:06,699 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:08,015 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:08,420 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:08,781 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:09,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:05:09,518 INFO L93 Difference]: Finished difference Result 891 states and 1209 transitions. [2020-09-21 10:05:09,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 10:05:09,523 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 10:05:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:05:09,524 INFO L225 Difference]: With dead ends: 891 [2020-09-21 10:05:09,524 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:05:09,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-09-21 10:05:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:05:09,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:05:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:05:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:05:09,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-09-21 10:05:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:05:09,529 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:05:09,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:05:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:05:09,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:05:09,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:05:09,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:05:09,714 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:09,894 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:10,056 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:10,225 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:10,635 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 6 [2020-09-21 10:05:10,798 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:10,958 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:11,120 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:11,275 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:11,443 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:11,630 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:11,793 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:11,943 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:12,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:12,259 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:12,454 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 6 [2020-09-21 10:05:12,625 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:12,782 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:12,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:13,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:13,402 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 10:05:13,705 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 10:05:14,013 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-21 10:05:14,316 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 10:05:14,623 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-21 10:05:14,930 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-21 10:05:15,235 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-21 10:05:15,542 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-21 10:05:15,849 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-21 10:05:15,993 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:05:16,151 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:16,308 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:16,460 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:16,617 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:16,773 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:16,921 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:17,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:17,226 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:17,378 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:17,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:17,692 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:17,849 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:18,007 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:18,165 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:18,317 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:18,470 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:18,623 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:18,771 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:18,928 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:19,091 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:19,240 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:19,397 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:19,550 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:19,703 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:19,856 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:20,004 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:20,161 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:20,314 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:20,470 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:20,631 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:20,789 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:20,946 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:21,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:21,251 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:21,413 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:21,565 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:21,722 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:21,879 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:22,026 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:22,183 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:22,336 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:22,493 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:22,651 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:22,809 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:23,105 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:05:23,471 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:23,838 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 190 [2020-09-21 10:05:24,127 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:24,417 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:24,795 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 190 [2020-09-21 10:05:25,087 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:05:25,377 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:05:25,740 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 190 [2020-09-21 10:05:26,030 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:26,320 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:26,697 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:26,988 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:27,278 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:27,643 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 190 [2020-09-21 10:05:27,932 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:05:28,221 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:05:28,600 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 190 [2020-09-21 10:05:28,902 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:05:29,030 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 6 [2020-09-21 10:05:29,189 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:29,338 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:29,495 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:29,653 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:29,811 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:29,964 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:30,122 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:30,279 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:30,432 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:30,590 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:30,745 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:30,903 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:31,056 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:31,219 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:31,377 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:31,529 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:31,688 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:31,876 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 6 [2020-09-21 10:05:32,034 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:32,187 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:32,338 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:32,498 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:32,666 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:05:32,836 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:05:32,965 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 6 [2020-09-21 10:05:33,125 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:33,279 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 6 [2020-09-21 10:05:33,437 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:33,603 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:33,766 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:33,925 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:34,081 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:34,237 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:34,390 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:34,542 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:34,855 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 10:05:35,222 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:05:35,587 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:05:35,955 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:36,322 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:36,602 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-21 10:05:36,886 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 10:05:37,167 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-21 10:05:37,545 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:05:37,914 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:38,283 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:38,655 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:05:39,026 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:39,393 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:39,757 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:05:40,040 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 10:05:40,324 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 10:05:40,606 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-21 10:05:40,974 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:05:41,132 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:41,289 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:41,458 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:41,621 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:41,778 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:41,935 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:42,088 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:42,239 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:42,396 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:42,553 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:42,715 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:42,872 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:43,030 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:43,182 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:43,337 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:43,490 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:43,648 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:43,805 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:43,958 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:05:44,116 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:44,263 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:05:44,420 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:44,573 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:44,729 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:45,248 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-09-21 10:05:45,583 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:45,833 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-09-21 10:05:46,389 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-09-21 10:05:46,658 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:47,182 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-09-21 10:05:47,649 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 10:05:47,939 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:05:48,335 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-09-21 10:05:48,569 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-21 10:05:49,050 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-09-21 10:05:49,561 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-09-21 10:05:50,067 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-09-21 10:05:50,582 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-09-21 10:05:51,077 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-09-21 10:05:51,591 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-09-21 10:05:51,857 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:05:52,128 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:05:52,402 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:52,699 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 10:05:52,998 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:53,288 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-09-21 10:05:54,068 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-09-21 10:05:54,344 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:54,600 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:55,094 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11