/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:20:43,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:20:43,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:20:43,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:20:43,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:20:43,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:20:43,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:20:43,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:20:43,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:20:43,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:20:43,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:20:43,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:20:43,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:20:43,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:20:43,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:20:43,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:20:43,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:20:43,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:20:43,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:20:43,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:20:43,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:20:43,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:20:43,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:20:43,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:20:43,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:20:43,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:20:43,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:20:43,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:20:43,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:20:43,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:20:43,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:20:43,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:20:43,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:20:43,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:20:43,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:20:43,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:20:43,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:20:43,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:20:43,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:20:43,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:20:43,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:20:43,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:20:43,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:20:43,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:20:43,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:20:43,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:20:43,584 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:20:43,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:20:43,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:20:43,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:20:43,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:20:43,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:20:43,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:20:43,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:20:43,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:20:43,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:20:43,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:20:43,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:20:43,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:20:43,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:20:43,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:20:43,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:20:43,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:20:43,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:20:43,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:20:43,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:20:43,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:20:43,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:20:43,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:20:43,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:20:43,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:20:43,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:20:44,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:20:44,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:20:44,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:20:44,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:20:44,079 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:20:44,080 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2020-09-25 05:20:44,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6d495fc5/8bcbc87fa0e14b6cabf90a3b45da19ab/FLAG304949454 [2020-09-25 05:20:44,764 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:20:44,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2020-09-25 05:20:44,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6d495fc5/8bcbc87fa0e14b6cabf90a3b45da19ab/FLAG304949454 [2020-09-25 05:20:45,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6d495fc5/8bcbc87fa0e14b6cabf90a3b45da19ab [2020-09-25 05:20:45,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:20:45,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:20:45,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:20:45,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:20:45,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:20:45,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45, skipping insertion in model container [2020-09-25 05:20:45,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:20:45,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:20:45,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:20:45,694 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:20:45,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:20:45,822 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:20:45,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45 WrapperNode [2020-09-25 05:20:45,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:20:45,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:20:45,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:20:45,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:20:45,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... [2020-09-25 05:20:45,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:20:45,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:20:45,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:20:45,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:20:45,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:20:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:20:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:20:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:20:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:20:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:20:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:20:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:20:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:20:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 05:20:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:20:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:20:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:20:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:20:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:20:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:20:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:20:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:20:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:20:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:20:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:20:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:20:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:20:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:20:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:20:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:20:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:20:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:20:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:20:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:20:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:20:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:20:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:20:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:20:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:20:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:20:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:20:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:20:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:20:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:20:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:20:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:20:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:20:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:20:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:20:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:20:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:20:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:20:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:20:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:20:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:20:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:20:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:20:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 05:20:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:20:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:20:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:20:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:20:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:20:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:20:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:20:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:20:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:20:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:20:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:20:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:20:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:20:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:20:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:20:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:20:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:20:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:20:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:20:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:20:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:20:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:20:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:20:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:20:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:20:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:20:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:20:47,192 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:20:47,192 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:20:47,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:20:47 BoogieIcfgContainer [2020-09-25 05:20:47,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:20:47,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:20:47,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:20:47,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:20:47,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:20:45" (1/3) ... [2020-09-25 05:20:47,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70452fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:20:47, skipping insertion in model container [2020-09-25 05:20:47,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:20:45" (2/3) ... [2020-09-25 05:20:47,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70452fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:20:47, skipping insertion in model container [2020-09-25 05:20:47,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:20:47" (3/3) ... [2020-09-25 05:20:47,217 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2020-09-25 05:20:47,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:20:47,245 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:20:47,267 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:20:47,297 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:20:47,297 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:20:47,298 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:20:47,298 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:20:47,298 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:20:47,298 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:20:47,298 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:20:47,298 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:20:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-09-25 05:20:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:20:47,343 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:20:47,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:20:47,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:20:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:20:47,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1599940567, now seen corresponding path program 1 times [2020-09-25 05:20:47,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:20:47,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096712019] [2020-09-25 05:20:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:20:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:48,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:49,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:49,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:52,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:52,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:52,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:20:52,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:20:52,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:20:52,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:52,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:20:52,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:52,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:20:53,210 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:20:53,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:20:53,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 05:20:53,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:20:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:53,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:20:53,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:20:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:53,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:53,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:20:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:53,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:20:53,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:20:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:53,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:53,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:20:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:20:53,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:53,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:20:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:20:53,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:20:53,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:20:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:53,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:53,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:53,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:20:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:53,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:53,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:53,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:20:53,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:20:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:53,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:53,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:53,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:53,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:53,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:53,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 05:20:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:20:53,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096712019] [2020-09-25 05:20:53,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:20:53,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:20:53,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720808661] [2020-09-25 05:20:53,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:20:53,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:20:53,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:20:53,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:20:53,607 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 4 states. [2020-09-25 05:20:54,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:20:54,826 INFO L93 Difference]: Finished difference Result 392 states and 465 transitions. [2020-09-25 05:20:54,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:20:54,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:20:54,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:20:54,849 INFO L225 Difference]: With dead ends: 392 [2020-09-25 05:20:54,849 INFO L226 Difference]: Without dead ends: 261 [2020-09-25 05:20:54,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:20:54,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-09-25 05:20:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 216. [2020-09-25 05:20:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-09-25 05:20:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 232 transitions. [2020-09-25 05:20:54,951 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 232 transitions. Word has length 160 [2020-09-25 05:20:54,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:20:54,952 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 232 transitions. [2020-09-25 05:20:54,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:20:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 232 transitions. [2020-09-25 05:20:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:20:54,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:20:54,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:20:54,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:20:54,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:20:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:20:54,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1673609815, now seen corresponding path program 1 times [2020-09-25 05:20:54,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:20:54,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698451080] [2020-09-25 05:20:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:20:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:55,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:55,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:57,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:21:00,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:21:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 05:21:00,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:21:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:21:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:00,495 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:00,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 05:21:00,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:00,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:00,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:00,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:00,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:00,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:00,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:21:00,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:00,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:00,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:00,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:21:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:00,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:21:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:00,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:00,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:00,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:21:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:00,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:00,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:21:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:00,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:00,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:00,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:00,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:00,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:00,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:00,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698451080] [2020-09-25 05:21:00,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:00,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:21:00,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778428303] [2020-09-25 05:21:00,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:21:00,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:00,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:21:00,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:21:00,866 INFO L87 Difference]: Start difference. First operand 216 states and 232 transitions. Second operand 5 states. [2020-09-25 05:21:01,605 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:21:02,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:02,344 INFO L93 Difference]: Finished difference Result 308 states and 347 transitions. [2020-09-25 05:21:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:21:02,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:21:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:02,348 INFO L225 Difference]: With dead ends: 308 [2020-09-25 05:21:02,348 INFO L226 Difference]: Without dead ends: 250 [2020-09-25 05:21:02,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:21:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-25 05:21:02,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 206. [2020-09-25 05:21:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-25 05:21:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 219 transitions. [2020-09-25 05:21:02,396 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 219 transitions. Word has length 161 [2020-09-25 05:21:02,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:02,397 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 219 transitions. [2020-09-25 05:21:02,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:21:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2020-09-25 05:21:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:21:02,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:02,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:02,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:21:02,405 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:02,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:02,405 INFO L82 PathProgramCache]: Analyzing trace with hash -964105756, now seen corresponding path program 1 times [2020-09-25 05:21:02,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:02,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838918450] [2020-09-25 05:21:02,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:02,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:02,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:04,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:21:07,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:21:07,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:21:07,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:21:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:21:07,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:21:07,861 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:07,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:07,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:07,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:07,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 05:21:07,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:07,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:07,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:07,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:07,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:08,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:08,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:08,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:08,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:08,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:08,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:21:08,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:08,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:08,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:21:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:08,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:08,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:21:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:21:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:08,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:21:08,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:21:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:08,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:08,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:21:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:08,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:08,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:08,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:21:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:08,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:08,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:21:08,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:08,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:21:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:21:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:21:08,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838918450] [2020-09-25 05:21:08,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:08,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:21:08,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024829111] [2020-09-25 05:21:08,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:21:08,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:08,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:21:08,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:21:08,168 INFO L87 Difference]: Start difference. First operand 206 states and 219 transitions. Second operand 6 states. [2020-09-25 05:21:08,664 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:10,037 INFO L93 Difference]: Finished difference Result 458 states and 533 transitions. [2020-09-25 05:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:21:10,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:21:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:10,048 INFO L225 Difference]: With dead ends: 458 [2020-09-25 05:21:10,049 INFO L226 Difference]: Without dead ends: 367 [2020-09-25 05:21:10,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:21:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-09-25 05:21:10,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 281. [2020-09-25 05:21:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 05:21:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-25 05:21:10,131 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 174 [2020-09-25 05:21:10,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:10,133 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-25 05:21:10,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:21:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-25 05:21:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-25 05:21:10,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:21:10,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:21:10,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:21:10,136 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:21:10,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:21:10,137 INFO L82 PathProgramCache]: Analyzing trace with hash -711159163, now seen corresponding path program 1 times [2020-09-25 05:21:10,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:21:10,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145705777] [2020-09-25 05:21:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:21:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:10,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:11,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:14,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:14,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 05:21:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:21:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4707 [2020-09-25 05:21:14,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:14,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:21:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 05:21:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:21:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:21:15,356 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:21:15,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-25 05:21:15,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:21:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:15,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:15,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:21:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:15,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:15,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:21:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:15,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:15,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:21:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:15,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:15,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:21:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:15,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:15,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:21:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:21:15,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:15,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:21:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:21:15,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:21:15,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:21:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:15,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:21:15,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:21:15,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:21:15,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:21:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:21:15,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:15,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:21:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 05:21:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:15,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:21:15,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:21:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 05:21:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:21:15,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:21:15,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:21:15,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:21:15,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:21:15,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:21:15,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:21:15,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:21:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:21:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:21:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:21:15,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:21:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:21:15,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145705777] [2020-09-25 05:21:15,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:21:15,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:21:15,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105029318] [2020-09-25 05:21:15,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:21:15,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:21:15,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:21:15,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:21:15,843 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 10 states. [2020-09-25 05:21:16,618 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:17,662 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:17,982 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:21:18,875 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:21:19,220 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 05:21:19,537 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:21:19,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:21:19,601 INFO L93 Difference]: Finished difference Result 500 states and 589 transitions. [2020-09-25 05:21:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:21:19,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-09-25 05:21:19,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:21:19,603 INFO L225 Difference]: With dead ends: 500 [2020-09-25 05:21:19,603 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:21:19,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:21:19,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:21:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:21:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:21:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:21:19,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-09-25 05:21:19,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:21:19,611 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:21:19,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:21:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:21:19,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:21:19,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:21:19,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:21:19,836 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:19,974 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 05:21:20,138 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:20,311 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:20,472 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:20,644 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:20,778 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 05:21:20,938 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:21,237 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:21,530 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:21,826 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:22,112 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:22,264 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:22,422 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:22,578 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:22,730 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:22,886 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:23,044 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:23,197 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:23,350 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:23,499 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:23,658 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:23,811 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:23,959 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:24,111 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:24,266 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:24,417 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:24,570 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:24,724 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:24,876 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:25,030 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:25,178 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:25,337 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:25,490 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:25,643 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:25,791 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:25,945 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:26,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:26,250 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:26,399 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:26,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:26,661 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 05:21:26,822 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:26,974 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:27,092 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 05:21:27,245 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:27,416 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:27,568 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:27,722 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:27,872 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:21:28,025 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:28,190 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:28,352 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:28,505 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:21:28,615 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 05:21:28,902 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:29,184 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:29,464 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:29,745 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 05:21:29,848 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 05:21:30,058 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 05:21:30,309 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 05:21:30,531 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:21:30,756 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 05:21:30,954 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-25 05:21:31,223 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:21:31,470 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:21:31,852 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-25 05:21:32,063 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:21:32,422 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 05:21:32,646 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 05:21:33,066 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 05:21:33,466 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 05:21:33,699 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 05:21:33,918 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23