/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:59:27,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:59:27,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:59:27,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:59:27,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:59:27,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:59:27,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:59:27,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:59:27,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:59:27,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:59:27,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:59:27,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:59:27,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:59:27,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:59:27,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:59:27,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:59:27,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:59:27,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:59:27,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:59:27,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:59:27,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:59:27,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:59:27,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:59:27,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:59:27,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:59:27,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:59:27,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:59:27,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:59:27,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:59:27,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:59:27,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:59:27,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:59:27,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:59:27,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:59:27,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:59:27,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:59:27,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:59:27,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:59:27,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:59:27,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:59:27,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:59:27,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:59:27,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:59:27,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:59:27,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:59:27,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:59:27,977 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:59:27,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:59:27,977 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:59:27,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:59:27,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:59:27,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:59:27,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:59:27,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:59:27,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:59:27,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:59:27,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:59:27,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:59:27,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:59:27,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:59:27,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:59:27,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:59:27,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:59:27,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:59:27,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:59:27,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:59:27,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:59:27,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:59:27,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:59:27,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:59:27,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:59:27,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 03:59:28,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:59:28,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:59:28,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:59:28,483 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:59:28,483 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:59:28,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-25 03:59:28,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47a410d54/b4795f90a1de4120a64eae769b9eb291/FLAGae40d8e74 [2020-09-25 03:59:29,194 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:59:29,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-25 03:59:29,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47a410d54/b4795f90a1de4120a64eae769b9eb291/FLAGae40d8e74 [2020-09-25 03:59:29,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47a410d54/b4795f90a1de4120a64eae769b9eb291 [2020-09-25 03:59:29,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:59:29,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:59:29,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:59:29,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:59:29,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:59:29,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:59:29" (1/1) ... [2020-09-25 03:59:29,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:29, skipping insertion in model container [2020-09-25 03:59:29,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:59:29" (1/1) ... [2020-09-25 03:59:29,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:59:29,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:59:29,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:59:29,958 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:59:30,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:59:30,237 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:59:30,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30 WrapperNode [2020-09-25 03:59:30,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:59:30,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:59:30,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:59:30,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:59:30,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... [2020-09-25 03:59:30,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:59:30,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:59:30,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:59:30,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:59:30,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:59:30,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:59:30,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:59:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:59:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:59:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:59:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:59:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:59:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:59:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:59:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:59:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:59:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:59:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:59:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:59:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:59:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:59:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:59:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:59:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:59:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:59:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:59:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:59:30,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:59:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:59:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:59:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:59:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:59:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:59:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:59:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 03:59:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:59:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:59:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:59:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:59:30,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:59:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:59:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:59:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:59:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:59:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:59:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:59:30,455 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:59:30,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:59:30,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:59:30,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:59:30,455 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:59:30,455 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:59:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:59:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:59:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:59:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 03:59:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:59:30,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:59:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:59:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:59:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:59:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:59:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:59:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:59:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:59:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:59:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:59:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:59:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:59:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:59:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:59:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:59:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:59:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:59:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:59:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:59:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:59:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:59:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:59:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:59:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:59:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:59:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:59:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:59:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:59:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 03:59:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:59:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:59:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:59:31,643 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:59:31,644 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:59:31,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:59:31 BoogieIcfgContainer [2020-09-25 03:59:31,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:59:31,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:59:31,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:59:31,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:59:31,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:59:29" (1/3) ... [2020-09-25 03:59:31,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d1b6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:59:31, skipping insertion in model container [2020-09-25 03:59:31,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:59:30" (2/3) ... [2020-09-25 03:59:31,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d1b6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:59:31, skipping insertion in model container [2020-09-25 03:59:31,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:59:31" (3/3) ... [2020-09-25 03:59:31,669 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-09-25 03:59:31,683 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:59:31,699 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:59:31,725 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:59:31,767 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:59:31,767 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:59:31,768 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:59:31,768 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:59:31,768 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:59:31,768 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:59:31,768 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:59:31,768 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:59:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-25 03:59:31,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:59:31,837 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:31,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:59:31,840 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:31,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:31,851 INFO L82 PathProgramCache]: Analyzing trace with hash 665140827, now seen corresponding path program 1 times [2020-09-25 03:59:31,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:31,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938898382] [2020-09-25 03:59:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:32,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:32,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:33,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:35,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:59:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:59:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 03:59:37,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 03:59:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:59:37,709 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:37,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:37,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 03:59:37,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:37,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:37,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:37,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:37,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:59:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:37,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:59:37,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:37,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:37,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:59:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:37,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:37,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:37,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:59:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:37,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:37,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:37,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:37,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:37,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:37,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:37,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:59:38,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938898382] [2020-09-25 03:59:38,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:38,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:59:38,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426768636] [2020-09-25 03:59:38,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:59:38,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:38,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:59:38,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:59:38,060 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-09-25 03:59:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:39,468 INFO L93 Difference]: Finished difference Result 414 states and 500 transitions. [2020-09-25 03:59:39,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:59:39,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 03:59:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:39,491 INFO L225 Difference]: With dead ends: 414 [2020-09-25 03:59:39,491 INFO L226 Difference]: Without dead ends: 265 [2020-09-25 03:59:39,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:59:39,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-25 03:59:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 223. [2020-09-25 03:59:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-09-25 03:59:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 242 transitions. [2020-09-25 03:59:39,694 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 242 transitions. Word has length 142 [2020-09-25 03:59:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:39,700 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 242 transitions. [2020-09-25 03:59:39,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:59:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2020-09-25 03:59:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 03:59:39,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:39,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:59:39,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:59:39,712 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:39,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:39,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1648714909, now seen corresponding path program 1 times [2020-09-25 03:59:39,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:39,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712645570] [2020-09-25 03:59:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:39,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:41,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:41,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:42,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:44,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:44,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 03:59:44,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:59:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 03:59:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:44,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 03:59:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:59:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,127 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:45,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 03:59:45,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:45,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:45,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:59:45,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:45,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:45,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:45,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:59:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:45,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:45,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:45,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:59:45,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 03:59:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:45,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:45,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:45,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:45,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:45,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:59:45,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712645570] [2020-09-25 03:59:45,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:45,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 03:59:45,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159717672] [2020-09-25 03:59:45,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 03:59:45,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:45,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 03:59:45,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 03:59:45,424 INFO L87 Difference]: Start difference. First operand 223 states and 242 transitions. Second operand 4 states. [2020-09-25 03:59:46,078 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:59:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:46,785 INFO L93 Difference]: Finished difference Result 321 states and 363 transitions. [2020-09-25 03:59:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 03:59:46,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 03:59:46,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:46,796 INFO L225 Difference]: With dead ends: 321 [2020-09-25 03:59:46,796 INFO L226 Difference]: Without dead ends: 248 [2020-09-25 03:59:46,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:59:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-25 03:59:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 213. [2020-09-25 03:59:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-09-25 03:59:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 229 transitions. [2020-09-25 03:59:46,876 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 229 transitions. Word has length 143 [2020-09-25 03:59:46,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:46,877 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 229 transitions. [2020-09-25 03:59:46,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 03:59:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2020-09-25 03:59:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 03:59:46,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:46,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:59:46,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:59:46,881 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:46,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:46,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1315624877, now seen corresponding path program 1 times [2020-09-25 03:59:46,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:46,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517324985] [2020-09-25 03:59:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:47,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:47,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:47,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:48,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:51,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:51,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 03:59:51,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:59:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 03:59:51,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:51,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 03:59:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:59:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:59:52,330 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:59:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:59:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:59:52,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 03:59:52,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:59:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:52,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:52,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:52,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:59:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:52,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:52,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:59:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:52,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:52,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:59:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:59:52,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:59:52,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:52,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:59:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 03:59:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:59:52,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:59:52,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:59:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:59:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:59:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:59:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:52,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:59:52,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:59:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:52,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:59:52,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:59:52,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:59:52,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:59:52,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 03:59:52,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 03:59:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:59:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:59:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:59:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:59:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:59:52,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517324985] [2020-09-25 03:59:52,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:59:52,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:59:52,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351937504] [2020-09-25 03:59:52,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:59:52,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:59:52,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:59:52,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:59:52,642 INFO L87 Difference]: Start difference. First operand 213 states and 229 transitions. Second operand 5 states. [2020-09-25 03:59:53,348 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:59:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:59:54,943 INFO L93 Difference]: Finished difference Result 485 states and 568 transitions. [2020-09-25 03:59:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:59:54,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 03:59:54,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:59:54,949 INFO L225 Difference]: With dead ends: 485 [2020-09-25 03:59:54,949 INFO L226 Difference]: Without dead ends: 382 [2020-09-25 03:59:54,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:59:54,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-09-25 03:59:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 306. [2020-09-25 03:59:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-25 03:59:55,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 339 transitions. [2020-09-25 03:59:55,037 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 339 transitions. Word has length 156 [2020-09-25 03:59:55,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:59:55,038 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 339 transitions. [2020-09-25 03:59:55,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:59:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 339 transitions. [2020-09-25 03:59:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 03:59:55,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:59:55,040 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] [2020-09-25 03:59:55,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:59:55,041 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:59:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:59:55,041 INFO L82 PathProgramCache]: Analyzing trace with hash 141090736, now seen corresponding path program 1 times [2020-09-25 03:59:55,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:59:55,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962025606] [2020-09-25 03:59:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:59:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:59:55,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:55,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:55,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:59:56,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:00:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:00:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:00:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:00,485 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:00,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:00:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:00:00,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 04:00:00,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:00,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:00,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:00:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:00,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:00:00,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:00:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:00,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:00:00,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:00:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:00,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:00,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:00,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:00:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:00:00,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:00:00,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:00,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:00:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:00:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:00:00,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:00:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:00:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:00:00,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:00:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:00,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:00:00,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:00:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:00:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:00:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:00:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:00:00,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:00:00,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:00:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:00:00,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:00:00,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:00:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:00:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:00:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:00:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:00:00,741 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 04:00:00,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962025606] [2020-09-25 04:00:00,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:00:00,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:00:00,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222024081] [2020-09-25 04:00:00,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:00:00,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:00:00,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:00:00,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:00:00,744 INFO L87 Difference]: Start difference. First operand 306 states and 339 transitions. Second operand 9 states. [2020-09-25 04:00:01,258 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:02,447 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:02,789 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:00:03,125 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:03,476 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:00:03,804 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:00:04,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:00:04,011 INFO L93 Difference]: Finished difference Result 505 states and 592 transitions. [2020-09-25 04:00:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:00:04,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 04:00:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:00:04,014 INFO L225 Difference]: With dead ends: 505 [2020-09-25 04:00:04,014 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:00:04,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 04:00:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:00:04,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:00:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:00:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:00:04,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 04:00:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:00:04,019 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:00:04,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:00:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:00:04,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:00:04,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:00:04,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:00:04,198 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:04,357 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:04,492 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:04,654 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:04,915 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:00:05,240 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:05,557 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:05,872 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:06,022 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:06,170 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:06,321 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:06,567 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 04:00:06,719 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:06,820 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:00:06,972 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:07,121 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:07,417 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:07,714 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:08,010 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:00:08,149 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:08,294 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:08,443 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:08,592 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:08,740 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:08,891 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:09,040 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:09,186 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:09,336 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:09,485 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:09,632 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:09,776 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:09,930 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:10,077 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:10,226 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:10,374 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:10,522 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:10,671 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:10,819 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:11,160 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:00:11,469 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:11,776 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:12,083 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:00:12,235 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:12,395 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:12,540 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:12,691 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:12,948 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:13,099 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,244 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:13,394 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,644 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,793 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:13,956 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,105 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:14,254 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,407 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,551 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:00:14,699 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:14,847 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:00:15,261 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:00:15,453 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:15,846 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:00:16,062 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:00:16,323 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:16,543 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:00:16,749 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 04:00:17,026 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:00:17,421 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:00:17,606 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:00:17,955 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 04:00:18,382 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 04:00:18,602 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:18,825 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:19,253 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:00:19,470 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:00:19,680 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1