/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=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:15:31,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:15:31,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:15:31,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:15:31,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:15:31,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:15:31,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:15:31,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:15:31,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:15:31,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:15:31,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:15:31,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:15:31,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:15:31,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:15:31,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:15:31,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:15:31,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:15:31,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:15:31,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:15:31,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:15:31,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:15:31,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:15:31,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:15:31,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:15:31,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:15:31,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:15:31,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:15:31,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:15:31,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:15:31,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:15:31,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:15:31,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:15:31,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:15:31,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:15:31,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:15:31,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:15:31,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:15:31,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:15:31,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:15:31,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:15:31,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:15:31,293 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 06:15:31,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:15:31,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:15:31,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:15:31,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:15:31,328 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:15:31,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:15:31,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:15:31,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:15:31,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:15:31,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:15:31,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:15:31,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:15:31,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:15:31,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:15:31,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:15:31,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:15:31,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:15:31,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:15:31,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:15:31,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:15:31,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:15:31,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:15:31,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:15:31,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:15:31,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:15:31,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:15:31,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:15:31,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:15:31,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:15:31,336 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:15:32,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:15:32,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:15:32,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:15:32,567 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:15:32,568 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:15:32,569 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-25 06:15:32,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91948edb0/15eb5d7472bd47a38726ca1229183fcb/FLAGd9579a385 [2020-09-25 06:15:33,336 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:15:33,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2020-09-25 06:15:33,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91948edb0/15eb5d7472bd47a38726ca1229183fcb/FLAGd9579a385 [2020-09-25 06:15:33,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91948edb0/15eb5d7472bd47a38726ca1229183fcb [2020-09-25 06:15:33,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:15:33,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:15:33,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:15:33,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:15:33,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:15:33,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:15:33" (1/1) ... [2020-09-25 06:15:33,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc1c481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:33, skipping insertion in model container [2020-09-25 06:15:33,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:15:33" (1/1) ... [2020-09-25 06:15:33,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:15:33,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:15:34,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:15:34,244 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:15:34,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:15:34,401 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:15:34,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34 WrapperNode [2020-09-25 06:15:34,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:15:34,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:15:34,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:15:34,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:15:34,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (1/1) ... [2020-09-25 06:15:34,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:15:34,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:15:34,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:15:34,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:15:34,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (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 06:15:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:15:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:15:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:15:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:15:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:15:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:15:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:15:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:15:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:15:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:15:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:15:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:15:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:15:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:15:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:15:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:15:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:15:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:15:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:15:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:15:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:15:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:15:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:15:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:15:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:15:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:15:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:15:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:15:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:15:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:15:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:15:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:15:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:15:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:15:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:15:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:15:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:15:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:15:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:15:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:15:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:15:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:15:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:15:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:15:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:15:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:15:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:15:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:15:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:15:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:15:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:15:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:15:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:15:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:15:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:15:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:15:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:15:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:15:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:15:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:15:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:15:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:15:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:15:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:15:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:15:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:15:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:15:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:15:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:15:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:15:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:15:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:15:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:15:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:15:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:15:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:15:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:15:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:15:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:15:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:15:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:15:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:15:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:15:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:15:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:15:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:15:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:15:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:15:35,891 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:15:35,891 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:15:35,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:15:35 BoogieIcfgContainer [2020-09-25 06:15:35,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:15:35,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:15:35,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:15:35,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:15:35,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:15:33" (1/3) ... [2020-09-25 06:15:35,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b71457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:15:35, skipping insertion in model container [2020-09-25 06:15:35,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:15:34" (2/3) ... [2020-09-25 06:15:35,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b71457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:15:35, skipping insertion in model container [2020-09-25 06:15:35,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:15:35" (3/3) ... [2020-09-25 06:15:35,912 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-09-25 06:15:35,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:15:35,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:15:35,958 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:15:35,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:15:35,988 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:15:35,988 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:15:35,988 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:15:35,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:15:35,989 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:15:35,989 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:15:35,989 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:15:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states. [2020-09-25 06:15:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:15:36,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:36,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:15:36,037 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:36,045 INFO L82 PathProgramCache]: Analyzing trace with hash 79669502, now seen corresponding path program 1 times [2020-09-25 06:15:36,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:36,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007989827] [2020-09-25 06:15:36,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:36,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:38,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:39,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:40,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:41,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:41,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:15:41,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:15:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 06:15:41,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:41,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:15:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:15:42,003 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:15:42,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:15:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:15:42,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-25 06:15:42,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:15:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:42,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:15:42,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:15:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:15:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:15:42,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:15:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:42,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:42,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:15:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:42,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:42,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:15:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:42,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:42,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:42,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:42,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:15:42,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:42,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:15:42,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007989827] [2020-09-25 06:15:42,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:15:42,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:15:42,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717016104] [2020-09-25 06:15:42,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:15:42,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:15:42,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:15:42,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:15:42,454 INFO L87 Difference]: Start difference. First operand 274 states. Second operand 3 states. [2020-09-25 06:15:44,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:15:44,039 INFO L93 Difference]: Finished difference Result 414 states and 500 transitions. [2020-09-25 06:15:44,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:15:44,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:15:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:15:44,064 INFO L225 Difference]: With dead ends: 414 [2020-09-25 06:15:44,064 INFO L226 Difference]: Without dead ends: 265 [2020-09-25 06:15:44,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:15:44,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-25 06:15:44,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 223. [2020-09-25 06:15:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-09-25 06:15:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 242 transitions. [2020-09-25 06:15:44,185 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 242 transitions. Word has length 142 [2020-09-25 06:15:44,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:15:44,189 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 242 transitions. [2020-09-25 06:15:44,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:15:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2020-09-25 06:15:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:15:44,194 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:44,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:15:44,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:15:44,195 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:44,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:44,196 INFO L82 PathProgramCache]: Analyzing trace with hash -177134221, now seen corresponding path program 1 times [2020-09-25 06:15:44,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:44,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039699749] [2020-09-25 06:15:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:44,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:45,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:46,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:15:49,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:15:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-25 06:15:49,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:15:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:15:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:15:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:15:49,649 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:15:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:15:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:15:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 06:15:49,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:15:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:49,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:49,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:15:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:49,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:49,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:15:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:49,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:15:49,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:15:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:49,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:49,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:15:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:49,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:15:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:49,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:49,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:49,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:49,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:49,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:49,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:49,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:15:49,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039699749] [2020-09-25 06:15:49,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:15:49,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:15:49,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803533224] [2020-09-25 06:15:49,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:15:49,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:15:49,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:15:49,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:15:49,900 INFO L87 Difference]: Start difference. First operand 223 states and 242 transitions. Second operand 4 states. [2020-09-25 06:15:50,535 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:15:51,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:15:51,341 INFO L93 Difference]: Finished difference Result 321 states and 363 transitions. [2020-09-25 06:15:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:15:51,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:15:51,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:15:51,347 INFO L225 Difference]: With dead ends: 321 [2020-09-25 06:15:51,347 INFO L226 Difference]: Without dead ends: 248 [2020-09-25 06:15:51,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:15:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-25 06:15:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 213. [2020-09-25 06:15:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-09-25 06:15:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 229 transitions. [2020-09-25 06:15:51,391 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 229 transitions. Word has length 143 [2020-09-25 06:15:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:15:51,392 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 229 transitions. [2020-09-25 06:15:51,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:15:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2020-09-25 06:15:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:15:51,395 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:51,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:15:51,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:15:51,396 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:51,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:51,396 INFO L82 PathProgramCache]: Analyzing trace with hash 680498528, now seen corresponding path program 1 times [2020-09-25 06:15:51,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:51,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171353501] [2020-09-25 06:15:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:51,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:51,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:51,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:53,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:15:56,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:15:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 06:15:56,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:15:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:15:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:15:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,795 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:15:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:15:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:15:56,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 06:15:56,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:15:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:15:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:56,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:15:56,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:15:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:56,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:15:56,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:15:56,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:15:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:15:56,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:15:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:56,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:15:56,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:15:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:56,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:56,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:15:56,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:56,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:15:56,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:56,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:15:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:15:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:15:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:15:56,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:15:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:56,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:57,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:15:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:57,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:15:57,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:15:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:57,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:15:57,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:15:57,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:15:57,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:15:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:15:57,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:15:57,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:15:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:15:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:15:57,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:15:57,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:15:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:15:57,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171353501] [2020-09-25 06:15:57,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:15:57,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:15:57,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341600368] [2020-09-25 06:15:57,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:15:57,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:15:57,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:15:57,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:15:57,040 INFO L87 Difference]: Start difference. First operand 213 states and 229 transitions. Second operand 5 states. [2020-09-25 06:15:57,674 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:15:59,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:15:59,529 INFO L93 Difference]: Finished difference Result 485 states and 568 transitions. [2020-09-25 06:15:59,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:15:59,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:15:59,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:15:59,534 INFO L225 Difference]: With dead ends: 485 [2020-09-25 06:15:59,534 INFO L226 Difference]: Without dead ends: 382 [2020-09-25 06:15:59,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:15:59,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-09-25 06:15:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 306. [2020-09-25 06:15:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-09-25 06:15:59,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 339 transitions. [2020-09-25 06:15:59,632 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 339 transitions. Word has length 156 [2020-09-25 06:15:59,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:15:59,634 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 339 transitions. [2020-09-25 06:15:59,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:15:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 339 transitions. [2020-09-25 06:15:59,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:15:59,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:15:59,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:15:59,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:15:59,639 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:15:59,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:15:59,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1977027375, now seen corresponding path program 1 times [2020-09-25 06:15:59,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:15:59,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811372578] [2020-09-25 06:15:59,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:15:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:15:59,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:00,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:04,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:04,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:16:04,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 06:16:04,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:04,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:16:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:16:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:16:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:05,127 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:05,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:05,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:16:05,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:05,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:05,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:05,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:05,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:05,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:05,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:05,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:05,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:05,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:05,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:05,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:05,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:05,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:05,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:16:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:16:05,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:05,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:16:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:16:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:05,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:05,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:16:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:05,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:05,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:05,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:05,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 06:16:05,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:05,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:16:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:05,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811372578] [2020-09-25 06:16:05,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:05,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:16:05,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316407594] [2020-09-25 06:16:05,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:16:05,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:05,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:16:05,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:16:05,448 INFO L87 Difference]: Start difference. First operand 306 states and 339 transitions. Second operand 9 states. [2020-09-25 06:16:05,960 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:07,097 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:07,406 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:16:07,736 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:16:08,115 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 06:16:08,437 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:16:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:08,660 INFO L93 Difference]: Finished difference Result 505 states and 592 transitions. [2020-09-25 06:16:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:16:08,660 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:16:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:08,661 INFO L225 Difference]: With dead ends: 505 [2020-09-25 06:16:08,661 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:16:08,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:16:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:16:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:16:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:16:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:16:08,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 06:16:08,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:08,670 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:16:08,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:16:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:16:08,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:16:08,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:16:08,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:16:08,855 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:09,022 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:09,193 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:09,310 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 7 [2020-09-25 06:16:09,472 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:09,632 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:09,797 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:10,126 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 06:16:10,452 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 06:16:10,775 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 06:16:11,013 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 06:16:11,178 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:11,285 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 06:16:11,440 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:11,754 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:12,068 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:12,383 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 06:16:12,524 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:12,676 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:12,830 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:12,982 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:13,132 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:13,288 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:13,442 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:13,589 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:13,742 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:13,890 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:14,044 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,198 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,351 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,505 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,653 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:14,807 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:14,960 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,112 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,261 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:15,423 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,671 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:15,989 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 06:16:16,307 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 06:16:16,624 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 06:16:16,859 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 06:16:17,014 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:17,164 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:17,323 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:17,479 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:17,631 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:17,788 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:18,040 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:18,194 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:18,353 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:18,609 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:18,759 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:18,915 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:19,067 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:19,233 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:19,385 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:19,538 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:16:20,060 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 06:16:20,241 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:20,460 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:20,881 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-09-25 06:16:21,114 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:21,337 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:16:21,528 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-09-25 06:16:21,774 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:22,184 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-09-25 06:16:22,393 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 06:16:22,707 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10 [2020-09-25 06:16:23,084 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 10