/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=NARROWEST --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_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:47:11,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:47:11,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:47:11,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:47:11,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:47:11,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:47:11,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:47:11,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:47:11,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:47:11,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:47:11,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:47:11,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:47:11,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:47:11,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:47:11,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:47:11,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:47:11,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:47:11,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:47:11,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:47:11,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:47:11,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:47:11,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:47:11,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:47:11,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:47:11,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:47:11,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:47:11,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:47:11,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:47:11,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:47:11,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:47:11,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:47:11,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:47:11,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:47:11,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:47:11,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:47:11,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:47:11,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:47:11,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:47:11,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:47:11,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:47:11,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:47:11,678 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 01:47:11,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:47:11,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:47:11,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:47:11,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:47:11,726 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:47:11,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:47:11,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:47:11,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:47:11,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:47:11,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:47:11,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:47:11,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:47:11,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:47:11,729 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:47:11,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:47:11,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:47:11,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:47:11,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:47:11,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:47:11,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:47:11,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:47:11,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:47:11,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:47:11,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:47:11,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:47:11,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:47:11,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:47:11,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:47:11,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:47:11,733 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 01:47:12,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:47:12,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:47:12,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:47:12,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:47:12,204 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:47:12,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-09-25 01:47:12,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eba72bbbe/fedf9c9c9b98481eac15028edeeefde1/FLAGa37f3531c [2020-09-25 01:47:12,854 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:47:12,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-09-25 01:47:12,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eba72bbbe/fedf9c9c9b98481eac15028edeeefde1/FLAGa37f3531c [2020-09-25 01:47:13,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eba72bbbe/fedf9c9c9b98481eac15028edeeefde1 [2020-09-25 01:47:13,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:47:13,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:47:13,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:47:13,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:47:13,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:47:13,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45368341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13, skipping insertion in model container [2020-09-25 01:47:13,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:47:13,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:47:13,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:47:13,728 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:47:13,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:47:13,867 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:47:13,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13 WrapperNode [2020-09-25 01:47:13,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:47:13,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:47:13,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:47:13,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:47:13,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (1/1) ... [2020-09-25 01:47:13,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:47:13,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:47:13,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:47:13,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:47:13,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (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 01:47:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:47:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:47:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:47:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:47:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:47:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:47:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:47:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:47:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:47:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:47:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:47:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:47:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:47:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:47:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 01:47:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:47:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:47:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:47:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 01:47:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:47:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:47:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:47:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:47:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:47:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 01:47:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 01:47:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:47:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:47:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:47:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:47:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:47:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:47:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:47:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:47:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:47:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:47:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:47:14,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:47:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:47:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:47:14,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:47:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:47:14,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:47:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:47:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:47:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:47:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:47:14,053 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:47:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:47:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:47:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:47:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:47:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:47:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:47:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:47:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 01:47:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:47:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:47:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:47:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:47:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:47:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:47:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 01:47:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:47:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:47:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:47:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:47:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 01:47:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 01:47:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:47:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:47:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:47:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:47:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:47:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:47:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:47:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:47:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:47:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:47:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:47:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:47:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:47:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:47:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:47:14,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:47:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:47:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:47:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:47:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:47:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:47:14,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:47:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:47:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:47:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:47:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:47:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:47:15,150 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:47:15,150 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:47:15,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:47:15 BoogieIcfgContainer [2020-09-25 01:47:15,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:47:15,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:47:15,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:47:15,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:47:15,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:47:13" (1/3) ... [2020-09-25 01:47:15,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfd66fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:47:15, skipping insertion in model container [2020-09-25 01:47:15,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:47:13" (2/3) ... [2020-09-25 01:47:15,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfd66fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:47:15, skipping insertion in model container [2020-09-25 01:47:15,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:47:15" (3/3) ... [2020-09-25 01:47:15,166 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-09-25 01:47:15,177 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:47:15,188 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:47:15,210 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:47:15,242 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:47:15,242 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:47:15,242 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:47:15,242 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:47:15,242 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:47:15,243 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:47:15,243 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:47:15,243 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:47:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 01:47:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 01:47:15,294 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:15,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:47:15,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:15,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2008725575, now seen corresponding path program 1 times [2020-09-25 01:47:15,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:15,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928023370] [2020-09-25 01:47:15,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:15,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:17,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:18,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:18,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:20,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:20,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:20,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 01:47:20,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:47:20,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-09-25 01:47:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:20,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 01:47:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:20,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 01:47:21,212 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:21,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:21,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 01:47:21,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:21,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:21,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:21,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:21,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:21,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:21,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:47:21,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:21,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-09-25 01:47:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:21,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:21,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:21,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:21,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:21,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 01:47:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:21,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 01:47:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:21,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:21,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:21,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:21,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:21,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:21,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:21,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928023370] [2020-09-25 01:47:21,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:21,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:47:21,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94707045] [2020-09-25 01:47:21,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:47:21,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:21,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:47:21,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:47:21,624 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 4 states. [2020-09-25 01:47:23,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:23,001 INFO L93 Difference]: Finished difference Result 451 states and 537 transitions. [2020-09-25 01:47:23,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 01:47:23,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 01:47:23,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:23,025 INFO L225 Difference]: With dead ends: 451 [2020-09-25 01:47:23,025 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 01:47:23,032 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 [2020-09-25 01:47:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 01:47:23,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2020-09-25 01:47:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 01:47:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 263 transitions. [2020-09-25 01:47:23,138 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 263 transitions. Word has length 148 [2020-09-25 01:47:23,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:23,139 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 263 transitions. [2020-09-25 01:47:23,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:47:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 263 transitions. [2020-09-25 01:47:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 01:47:23,149 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:23,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:47:23,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:47:23,153 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:23,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:23,153 INFO L82 PathProgramCache]: Analyzing trace with hash -963794546, now seen corresponding path program 1 times [2020-09-25 01:47:23,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:23,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165219250] [2020-09-25 01:47:23,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:23,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:23,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:24,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:25,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:26,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 01:47:28,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 01:47:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:28,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 01:47:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:47:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,553 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:28,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 01:47:28,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:28,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:28,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:28,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:28,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:28,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:28,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:28,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:28,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:28,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:28,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 01:47:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:28,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:28,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 01:47:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:28,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:28,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:28,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:28,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:28,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:28,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165219250] [2020-09-25 01:47:28,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:28,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:47:28,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817109527] [2020-09-25 01:47:28,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:47:28,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:28,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:47:28,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:47:28,827 INFO L87 Difference]: Start difference. First operand 243 states and 263 transitions. Second operand 5 states. [2020-09-25 01:47:29,726 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:47:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:30,666 INFO L93 Difference]: Finished difference Result 370 states and 420 transitions. [2020-09-25 01:47:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:47:30,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 01:47:30,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:30,674 INFO L225 Difference]: With dead ends: 370 [2020-09-25 01:47:30,674 INFO L226 Difference]: Without dead ends: 282 [2020-09-25 01:47:30,676 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 [2020-09-25 01:47:30,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-25 01:47:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 233. [2020-09-25 01:47:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 01:47:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-25 01:47:30,781 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 149 [2020-09-25 01:47:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:30,782 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-25 01:47:30,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:47:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-25 01:47:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 01:47:30,786 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:30,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:47:30,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:47:30,787 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:30,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:30,788 INFO L82 PathProgramCache]: Analyzing trace with hash 886671675, now seen corresponding path program 1 times [2020-09-25 01:47:30,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:30,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887481452] [2020-09-25 01:47:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:30,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:31,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:32,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:33,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:35,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:35,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 01:47:35,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:35,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 01:47:35,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:35,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:35,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 01:47:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:47:35,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,177 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:36,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 01:47:36,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:36,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:36,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:36,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:36,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:36,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:36,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:36,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:36,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:36,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:47:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 01:47:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:36,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:36,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:36,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:36,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:47:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:47:36,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 01:47:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:36,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:47:36,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:47:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:36,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:36,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:36,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:36,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:36,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:47:36,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:36,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:36,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887481452] [2020-09-25 01:47:36,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:36,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:47:36,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515720243] [2020-09-25 01:47:36,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:47:36,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:36,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:47:36,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:47:36,457 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-25 01:47:36,974 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:38,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:38,758 INFO L93 Difference]: Finished difference Result 549 states and 644 transitions. [2020-09-25 01:47:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:47:38,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 01:47:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:38,764 INFO L225 Difference]: With dead ends: 549 [2020-09-25 01:47:38,764 INFO L226 Difference]: Without dead ends: 431 [2020-09-25 01:47:38,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:47:38,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-09-25 01:47:38,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 341. [2020-09-25 01:47:38,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-09-25 01:47:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 376 transitions. [2020-09-25 01:47:38,865 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 376 transitions. Word has length 162 [2020-09-25 01:47:38,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:38,867 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 376 transitions. [2020-09-25 01:47:38,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:47:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 376 transitions. [2020-09-25 01:47:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 01:47:38,870 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:38,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:47:38,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:47:38,871 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:38,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1756833962, now seen corresponding path program 1 times [2020-09-25 01:47:38,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:38,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747219651] [2020-09-25 01:47:38,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:38,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:39,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:39,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:42,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:43,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:43,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 01:47:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 01:47:43,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:47:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 01:47:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:47:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:44,323 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:44,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:44,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 01:47:44,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:44,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:44,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:44,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:44,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:44,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:44,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:44,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:44,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:44,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 01:47:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:47:44,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:44,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:44,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:47:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:44,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:44,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:47:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 01:47:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:44,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:44,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:44,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:44,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:44,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:47:44,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:47:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:47:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:44,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747219651] [2020-09-25 01:47:44,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:44,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 01:47:44,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269008679] [2020-09-25 01:47:44,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 01:47:44,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:44,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 01:47:44,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 01:47:44,681 INFO L87 Difference]: Start difference. First operand 341 states and 376 transitions. Second operand 10 states. [2020-09-25 01:47:45,287 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:46,507 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:46,828 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:47:47,179 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:47,525 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:47:47,831 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:48,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:48,231 INFO L93 Difference]: Finished difference Result 562 states and 666 transitions. [2020-09-25 01:47:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 01:47:48,232 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-25 01:47:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:48,233 INFO L225 Difference]: With dead ends: 562 [2020-09-25 01:47:48,233 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 01:47:48,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-25 01:47:48,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 01:47:48,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 01:47:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 01:47:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 01:47:48,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 01:47:48,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:48,238 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 01:47:48,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 01:47:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 01:47:48,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 01:47:48,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:47:48,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 01:47:48,448 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:48,628 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:48,809 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:49,001 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:49,182 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:49,366 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:49,518 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 01:47:49,837 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:50,140 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:50,448 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:50,751 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 01:47:50,906 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:51,055 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:51,209 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:51,358 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:51,512 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:51,665 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:51,818 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:51,967 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:52,121 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:52,276 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:52,431 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:52,580 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:52,734 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:52,892 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:53,045 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:53,198 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:53,351 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:53,499 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:53,652 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:53,923 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 01:47:54,033 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 01:47:54,184 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:54,337 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:54,491 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:54,645 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:54,772 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 01:47:55,028 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:47:55,370 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:55,712 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:56,055 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:56,307 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:47:56,651 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:56,994 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:57,150 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:57,303 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:57,460 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:57,613 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:57,766 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:57,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:58,070 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:58,329 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 01:47:58,490 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:58,637 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:58,790 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:58,938 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:59,098 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:59,258 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:59,359 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 01:47:59,518 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:59,670 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:59,823 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:59,978 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:48:00,139 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:48:00,388 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 01:48:00,727 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:48:01,071 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:48:01,411 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:48:01,660 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189