/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:12:00,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:12:00,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:12:00,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:12:00,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:12:00,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:12:00,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:12:00,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:12:00,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:12:00,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:12:00,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:12:00,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:12:00,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:12:00,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:12:00,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:12:00,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:12:00,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:12:00,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:12:00,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:12:00,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:12:00,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:12:00,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:12:00,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:12:00,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:12:00,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:12:00,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:12:00,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:12:00,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:12:00,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:12:00,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:12:00,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:12:00,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:12:00,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:12:00,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:12:00,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:12:00,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:12:00,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:12:00,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:12:00,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:12:00,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:12:00,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:12:00,481 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 14:12:00,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:12:00,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:12:00,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:12:00,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:12:00,532 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:12:00,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:12:00,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:12:00,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:12:00,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:12:00,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:12:00,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:12:00,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:12:00,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:12:00,535 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:12:00,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:12:00,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:12:00,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:12:00,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:12:00,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:12:00,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:12:00,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:12:00,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:12:00,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:12:00,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:12:00,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:12:00,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:12:00,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:12:00,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:12:00,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:12:00,539 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:12:01,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:12:01,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:12:01,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:12:01,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:12:01,029 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:12:01,030 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 14:12:01,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dafd280a/eb5ab43c6ddf4fd2b1daa98c2fd18456/FLAG7d031ee14 [2020-09-25 14:12:01,712 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:12:01,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 14:12:01,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dafd280a/eb5ab43c6ddf4fd2b1daa98c2fd18456/FLAG7d031ee14 [2020-09-25 14:12:01,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dafd280a/eb5ab43c6ddf4fd2b1daa98c2fd18456 [2020-09-25 14:12:01,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:12:01,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:12:01,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:12:01,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:12:01,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:12:01,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01, skipping insertion in model container [2020-09-25 14:12:01,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:12:02,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:12:02,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:12:02,446 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:12:02,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:12:02,699 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:12:02,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02 WrapperNode [2020-09-25 14:12:02,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:12:02,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:12:02,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:12:02,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:12:02,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (1/1) ... [2020-09-25 14:12:02,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:12:02,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:12:02,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:12:02,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:12:02,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (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 14:12:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:12:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:12:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:12:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:12:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:12:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:12:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:12:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:12:02,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:12:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:12:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:12:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:12:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:12:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:12:02,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:12:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:12:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:12:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:12:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:12:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 14:12:02,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:12:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:12:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:12:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:12:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:12:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:12:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:12:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:12:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 14:12:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:12:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:12:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:12:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:12:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:12:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:12:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:12:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:12:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:12:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:12:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:12:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:12:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:12:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:12:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:12:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:12:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:12:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:12:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:12:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:12:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:12:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:12:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:12:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:12:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:12:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:12:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:12:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:12:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 14:12:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:12:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:12:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:12:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 14:12:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:12:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:12:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:12:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:12:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:12:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:12:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:12:04,255 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:12:04,256 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:12:04,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:12:04 BoogieIcfgContainer [2020-09-25 14:12:04,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:12:04,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:12:04,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:12:04,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:12:04,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:12:01" (1/3) ... [2020-09-25 14:12:04,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:12:04, skipping insertion in model container [2020-09-25 14:12:04,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:02" (2/3) ... [2020-09-25 14:12:04,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:12:04, skipping insertion in model container [2020-09-25 14:12:04,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:12:04" (3/3) ... [2020-09-25 14:12:04,280 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-09-25 14:12:04,292 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:12:04,304 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:12:04,327 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:12:04,358 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:12:04,358 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:12:04,358 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:12:04,359 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:12:04,359 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:12:04,359 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:12:04,359 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:12:04,359 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:12:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2020-09-25 14:12:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 14:12:04,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:12:04,408 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 14:12:04,408 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:12:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:12:04,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1731380127, now seen corresponding path program 1 times [2020-09-25 14:12:04,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:12:04,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039385344] [2020-09-25 14:12:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:12:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:04,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:06,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:07,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 14:12:09,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:12:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 14:12:09,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:12:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:12:09,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 14:12:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:12:10,299 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:10,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:12:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:12:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 14:12:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:12:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:12:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:10,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:10,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:10,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:10,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:10,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:12:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:10,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:10,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:10,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:10,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:12:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:10,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:12:10,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:12:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:10,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:10,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:10,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:12:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:10,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:10,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:12:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:10,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:12:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:10,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:10,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:10,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:10,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:10,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:10,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:12:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:12:10,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039385344] [2020-09-25 14:12:10,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:12:10,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:12:10,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137330182] [2020-09-25 14:12:10,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:12:10,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:12:10,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:12:10,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:12:10,850 INFO L87 Difference]: Start difference. First operand 301 states. Second operand 4 states. [2020-09-25 14:12:11,406 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:12:13,699 INFO L93 Difference]: Finished difference Result 641 states and 787 transitions. [2020-09-25 14:12:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:12:13,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 14:12:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:12:13,726 INFO L225 Difference]: With dead ends: 641 [2020-09-25 14:12:13,727 INFO L226 Difference]: Without dead ends: 451 [2020-09-25 14:12:13,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:12:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-09-25 14:12:13,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 384. [2020-09-25 14:12:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-09-25 14:12:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 433 transitions. [2020-09-25 14:12:13,893 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 433 transitions. Word has length 142 [2020-09-25 14:12:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:12:13,894 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 433 transitions. [2020-09-25 14:12:13,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:12:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 433 transitions. [2020-09-25 14:12:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 14:12:13,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:12:13,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:12:13,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:12:13,902 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:12:13,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:12:13,902 INFO L82 PathProgramCache]: Analyzing trace with hash -832338829, now seen corresponding path program 1 times [2020-09-25 14:12:13,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:12:13,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705854047] [2020-09-25 14:12:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:12:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:14,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:14,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:15,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:16,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 14:12:18,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:12:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 14:12:18,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:12:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:12:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-25 14:12:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,392 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:12:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:12:19,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-25 14:12:19,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:19,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:12:19,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:12:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:19,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:19,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:19,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:19,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:12:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:19,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:12:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:19,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:12:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:12:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:19,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:19,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:19,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 14:12:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:12:19,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:19,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:12:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:12:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:12:19,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:12:19,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:12:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:19,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:12:19,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:19,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 14:12:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:19,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:12:19,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:12:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 14:12:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:19,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:19,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:19,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:19,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:12:19,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:19,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:12:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:19,881 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 14:12:19,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705854047] [2020-09-25 14:12:19,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:12:19,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:12:19,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376120605] [2020-09-25 14:12:19,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:12:19,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:12:19,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:12:19,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:12:19,886 INFO L87 Difference]: Start difference. First operand 384 states and 433 transitions. Second operand 9 states. [2020-09-25 14:12:20,373 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:21,344 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:21,659 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:22,604 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:22,969 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:23,444 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:23,762 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:24,116 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:24,577 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:12:25,916 INFO L93 Difference]: Finished difference Result 1142 states and 1449 transitions. [2020-09-25 14:12:25,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:12:25,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 165 [2020-09-25 14:12:25,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:12:25,928 INFO L225 Difference]: With dead ends: 1142 [2020-09-25 14:12:25,928 INFO L226 Difference]: Without dead ends: 821 [2020-09-25 14:12:25,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:12:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-09-25 14:12:26,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 611. [2020-09-25 14:12:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-09-25 14:12:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 700 transitions. [2020-09-25 14:12:26,059 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 700 transitions. Word has length 165 [2020-09-25 14:12:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:12:26,060 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 700 transitions. [2020-09-25 14:12:26,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:12:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 700 transitions. [2020-09-25 14:12:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 14:12:26,064 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:12:26,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:12:26,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:12:26,065 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:12:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:12:26,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2125348283, now seen corresponding path program 1 times [2020-09-25 14:12:26,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:12:26,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662116206] [2020-09-25 14:12:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:12:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:26,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:26,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:26,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:29,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:29,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 14:12:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:12:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3191 [2020-09-25 14:12:29,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:29,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:12:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 14:12:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 14:12:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:29,676 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:12:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:29,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:29,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:29,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:12:29,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:29,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 14:12:29,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:29,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:29,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:29,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:29,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 14:12:29,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:29,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:12:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:29,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:29,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:29,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:29,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:12:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:29,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:29,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:29,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:29,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:29,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:29,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:29,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:29,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:30,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:12:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:30,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:30,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:30,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 14:12:30,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:30,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:30,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:12:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:30,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:30,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:30,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:30,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:30,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:30,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:30,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:30,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:30,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:12:30,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:12:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:30,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:30,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:12:30,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:12:30,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:30,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:12:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:12:30,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:12:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:30,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:12:30,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:12:30,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:12:30,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:30,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:12:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:12:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:12:30,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:12:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:30,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:30,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:30,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:12:30,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:30,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:12:30,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 14:12:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:30,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:30,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:30,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:30,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:30,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 14:12:30,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:30,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:12:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:12:30,254 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 14:12:30,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662116206] [2020-09-25 14:12:30,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:12:30,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:12:30,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424019643] [2020-09-25 14:12:30,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:12:30,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:12:30,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:12:30,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:12:30,257 INFO L87 Difference]: Start difference. First operand 611 states and 700 transitions. Second operand 11 states. [2020-09-25 14:12:30,820 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:32,080 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:32,473 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:12:32,817 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:33,183 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:12:33,505 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:33,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:12:33,927 INFO L93 Difference]: Finished difference Result 987 states and 1183 transitions. [2020-09-25 14:12:33,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 14:12:33,927 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 14:12:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:12:33,929 INFO L225 Difference]: With dead ends: 987 [2020-09-25 14:12:33,929 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:12:33,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-09-25 14:12:33,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:12:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:12:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:12:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:12:33,935 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 14:12:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:12:33,935 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:12:33,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:12:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:12:33,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:12:33,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:12:33,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:12:34,146 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 7 [2020-09-25 14:12:34,310 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:34,476 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:34,641 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:34,808 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:35,087 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:12:35,339 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:35,440 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 7 [2020-09-25 14:12:35,706 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:35,861 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:36,018 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:36,185 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:36,338 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:36,503 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:36,668 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:36,822 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:36,976 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:37,127 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:37,286 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:37,440 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:37,583 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:37,732 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:37,880 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:38,028 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:38,174 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:38,322 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:38,497 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:38,602 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 7 [2020-09-25 14:12:38,864 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:12:39,111 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:39,432 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 7 [2020-09-25 14:12:39,544 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 7 [2020-09-25 14:12:39,684 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:39,847 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:39,995 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:40,152 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:40,304 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:40,452 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:40,597 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:40,740 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:40,883 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:41,036 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:41,189 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:41,342 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:41,490 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:41,638 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:41,796 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:41,939 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:42,092 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:42,239 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:42,391 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:42,541 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:42,695 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:42,842 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:42,986 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:43,131 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:43,274 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:43,426 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:43,572 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:43,719 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:43,876 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:44,024 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:44,177 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:44,339 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:44,499 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:44,651 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:44,805 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:44,962 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:45,110 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:45,262 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:45,418 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:45,669 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:45,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:45,974 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:46,123 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:46,281 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:46,429 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:46,582 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:46,734 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:46,891 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:47,044 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:47,201 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:47,349 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:47,502 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:47,655 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:47,812 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:47,968 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:48,231 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 14:12:48,462 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 14:12:48,725 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 14:12:49,177 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:12:49,435 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:12:49,685 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:12:50,008 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 14:12:50,274 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 14:12:50,551 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:12:50,887 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:12:51,118 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 14:12:51,278 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:51,464 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:51,576 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 7 [2020-09-25 14:12:51,732 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:51,881 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:52,038 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:52,191 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:52,342 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:52,490 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:52,648 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:52,801 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:52,954 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:53,119 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:53,275 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:53,448 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:53,605 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:53,760 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:53,921 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:54,073 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:54,225 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:54,378 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:54,521 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:54,670 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:54,821 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:54,970 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:55,113 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:55,260 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:55,413 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:55,570 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:55,727 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:55,875 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:56,027 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:56,183 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:56,335 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:56,603 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:56,751 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:57,020 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:57,471 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 14:12:57,731 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189