/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=BIGGEST --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_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:14:37,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:14:37,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:14:37,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:14:37,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:14:37,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:14:37,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:14:37,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:14:37,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:14:37,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:14:37,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:14:37,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:14:37,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:14:37,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:14:37,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:14:37,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:14:37,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:14:37,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:14:37,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:14:37,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:14:37,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:14:37,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:14:37,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:14:37,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:14:37,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:14:37,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:14:37,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:14:37,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:14:37,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:14:37,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:14:37,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:14:37,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:14:37,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:14:37,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:14:37,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:14:37,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:14:37,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:14:37,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:14:37,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:14:37,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:14:37,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:14:37,259 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 [2020-09-24 20:14:37,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:14:37,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:14:37,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:14:37,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:14:37,287 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:14:37,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:14:37,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:14:37,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:14:37,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:14:37,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:14:37,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:14:37,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:14:37,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:14:37,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:14:37,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:14:37,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:14:37,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:14:37,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:14:37,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:14:37,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:14:37,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:14:37,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:14:37,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:14:37,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:14:37,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:14:37,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:14:37,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:14:37,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:14:37,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:14:37,293 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:14:37,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:14:37,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:14:37,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:14:37,798 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:14:37,799 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:14:37,801 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-24 20:14:37,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c00c3d465/51b51f61f7de407d8bbd2e487ec0eb27/FLAGc103f57de [2020-09-24 20:14:38,508 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:14:38,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-24 20:14:38,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c00c3d465/51b51f61f7de407d8bbd2e487ec0eb27/FLAGc103f57de [2020-09-24 20:14:38,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c00c3d465/51b51f61f7de407d8bbd2e487ec0eb27 [2020-09-24 20:14:38,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:14:38,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:14:38,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:14:38,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:14:38,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:14:38,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:14:38" (1/1) ... [2020-09-24 20:14:38,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:38, skipping insertion in model container [2020-09-24 20:14:38,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:14:38" (1/1) ... [2020-09-24 20:14:38,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:14:38,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:14:39,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:14:39,546 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:14:39,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:14:39,687 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:14:39,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39 WrapperNode [2020-09-24 20:14:39,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:14:39,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:14:39,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:14:39,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:14:39,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (1/1) ... [2020-09-24 20:14:39,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:14:39,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:14:39,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:14:39,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:14:39,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (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 [2020-09-24 20:14:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:14:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:14:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:14:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:14:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:14:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:14:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:14:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:14:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:14:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:14:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:14:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:14:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:14:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:14:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:14:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:14:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:14:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:14:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:14:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:14:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:14:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:14:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:14:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:14:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:14:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:14:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:14:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:14:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:14:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:14:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:14:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:14:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:14:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:14:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:14:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:14:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:14:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:14:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:14:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:14:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:14:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:14:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:14:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:14:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:14:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:14:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:14:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:14:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:14:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:14:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:14:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:14:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:14:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:14:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:14:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:14:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:14:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:14:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:14:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:14:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:14:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:14:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:14:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:14:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:14:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:14:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:14:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:14:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:14:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:14:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:14:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:14:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:14:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:14:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:14:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:14:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:14:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:14:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:14:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:14:41,020 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:14:41,021 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:14:41,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:14:41 BoogieIcfgContainer [2020-09-24 20:14:41,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:14:41,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:14:41,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:14:41,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:14:41,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:14:38" (1/3) ... [2020-09-24 20:14:41,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca13d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:14:41, skipping insertion in model container [2020-09-24 20:14:41,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:14:39" (2/3) ... [2020-09-24 20:14:41,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca13d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:14:41, skipping insertion in model container [2020-09-24 20:14:41,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:14:41" (3/3) ... [2020-09-24 20:14:41,038 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-09-24 20:14:41,049 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:14:41,061 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:14:41,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:14:41,119 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:14:41,119 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:14:41,119 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:14:41,119 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:14:41,120 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:14:41,120 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:14:41,120 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:14:41,120 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:14:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2020-09-24 20:14:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:14:41,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:14:41,163 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] [2020-09-24 20:14:41,164 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:14:41,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:14:41,172 INFO L82 PathProgramCache]: Analyzing trace with hash -662698620, now seen corresponding path program 1 times [2020-09-24 20:14:41,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:14:41,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567320868] [2020-09-24 20:14:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:14:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:41,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:43,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:44,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:46,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:46,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:14:46,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:14:46,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-24 20:14:46,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:14:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:14:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 20:14:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:14:47,253 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:14:47,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:14:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:14:47,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-09-24 20:14:47,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:47,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:14:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-24 20:14:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:14:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:14:47,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:14:47,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:47,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:47,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:14:47,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:14:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:14:47,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:14:47,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:47,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:47,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:14:47,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:47,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:14:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:14:47,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:14:47,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:14:47,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:14:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:14:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:14:47,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:14:47,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:14:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:14:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:14:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:14:47,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:14:47,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:14:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:14:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:14:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:47,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:14:47,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:14:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:14:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:14:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:14:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:14:47,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567320868] [2020-09-24 20:14:47,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:14:47,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:14:47,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420500630] [2020-09-24 20:14:47,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:14:47,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:14:48,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:14:48,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:14:48,015 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 8 states. [2020-09-24 20:14:48,703 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:14:49,738 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:14:50,093 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:14:50,510 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:14:50,894 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:14:51,223 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:14:51,550 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:14:51,886 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:14:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:14:53,505 INFO L93 Difference]: Finished difference Result 530 states and 655 transitions. [2020-09-24 20:14:53,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:14:53,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:14:53,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:14:53,543 INFO L225 Difference]: With dead ends: 530 [2020-09-24 20:14:53,543 INFO L226 Difference]: Without dead ends: 368 [2020-09-24 20:14:53,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:14:53,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-24 20:14:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 326. [2020-09-24 20:14:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-24 20:14:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 366 transitions. [2020-09-24 20:14:53,680 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 366 transitions. Word has length 142 [2020-09-24 20:14:53,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:14:53,682 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 366 transitions. [2020-09-24 20:14:53,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:14:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2020-09-24 20:14:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:14:53,688 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:14:53,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:14:53,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:14:53,689 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:14:53,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:14:53,690 INFO L82 PathProgramCache]: Analyzing trace with hash 604809301, now seen corresponding path program 1 times [2020-09-24 20:14:53,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:14:53,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585885371] [2020-09-24 20:14:53,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:14:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:53,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:58,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:58,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:14:58,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:14:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 20:14:58,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:14:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:14:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 20:14:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:14:59,117 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:14:59,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:14:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:14:59,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-24 20:14:59,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:14:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:59,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:14:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:14:59,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:14:59,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:14:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:59,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:14:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:14:59,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:14:59,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:14:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:14:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:14:59,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:14:59,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:59,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:59,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:14:59,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:14:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:14:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:14:59,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:14:59,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:14:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:14:59,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:14:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:59,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:14:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:14:59,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:14:59,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:14:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:14:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:14:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:59,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:14:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:14:59,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:14:59,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:14:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:14:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:14:59,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 31 [2020-09-24 20:14:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:14:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:14:59,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:14:59,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:14:59,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:14:59,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:14:59,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:14:59,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:14:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:14:59,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:14:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:14:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:14:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:14:59,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585885371] [2020-09-24 20:14:59,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:14:59,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:14:59,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758091210] [2020-09-24 20:14:59,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:14:59,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:14:59,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:14:59,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:14:59,613 INFO L87 Difference]: Start difference. First operand 326 states and 366 transitions. Second operand 5 states. [2020-09-24 20:15:00,161 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:00,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:00,794 INFO L93 Difference]: Finished difference Result 503 states and 594 transitions. [2020-09-24 20:15:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:15:00,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 20:15:00,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:00,805 INFO L225 Difference]: With dead ends: 503 [2020-09-24 20:15:00,805 INFO L226 Difference]: Without dead ends: 276 [2020-09-24 20:15:00,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:15:00,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-24 20:15:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 254. [2020-09-24 20:15:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-24 20:15:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 272 transitions. [2020-09-24 20:15:00,885 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 272 transitions. Word has length 148 [2020-09-24 20:15:00,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:00,887 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 272 transitions. [2020-09-24 20:15:00,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:15:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 272 transitions. [2020-09-24 20:15:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 20:15:00,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:00,893 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] [2020-09-24 20:15:00,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:15:00,894 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:00,894 INFO L82 PathProgramCache]: Analyzing trace with hash 673786252, now seen corresponding path program 1 times [2020-09-24 20:15:00,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:00,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380536964] [2020-09-24 20:15:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:01,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:01,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:02,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:05,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:05,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 20:15:05,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-24 20:15:05,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:15:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:15:05,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 20:15:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,323 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:06,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:06,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-09-24 20:15:06,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:15:06,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:06,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:06,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:06,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:06,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:06,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:06,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:06,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 20:15:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:06,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:06,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:06,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:06,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:15:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:06,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:06,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:06,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:15:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:15:06,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:15:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:15:06,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:06,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:15:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 20:15:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:06,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:06,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:06,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 20:15:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:06,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:06,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:06,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:06,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:06,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:06,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:06,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:06,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:06,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:06,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:06,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380536964] [2020-09-24 20:15:06,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:06,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:15:06,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348787742] [2020-09-24 20:15:06,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:15:06,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:06,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:15:06,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:15:06,823 INFO L87 Difference]: Start difference. First operand 254 states and 272 transitions. Second operand 12 states. [2020-09-24 20:15:07,480 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:08,689 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:08,999 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:09,321 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:09,632 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:15:09,931 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:10,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:10,388 INFO L93 Difference]: Finished difference Result 394 states and 454 transitions. [2020-09-24 20:15:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:15:10,388 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 20:15:10,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:10,390 INFO L225 Difference]: With dead ends: 394 [2020-09-24 20:15:10,391 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:15:10,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 20:15:10,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:15:10,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:15:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:15:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:15:10,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 20:15:10,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:10,396 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:15:10,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:15:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:15:10,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:15:10,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:15:10,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:15:10,593 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:10,764 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:10,940 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:11,098 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:11,437 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:11,596 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:11,922 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:12,086 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:12,262 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:12,421 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:12,584 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:12,750 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:12,905 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:13,060 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:13,219 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:13,377 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:13,517 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:13,674 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:13,828 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:13,982 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:14,141 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:14,294 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:14,452 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:14,610 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:14,763 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:14,916 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:15,069 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:15,228 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:15,384 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:15,541 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:15,698 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:15,871 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:16,023 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:16,175 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:16,333 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:16,491 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:16,648 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:16,802 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:16,961 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:17,114 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:17,268 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:17,421 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:17,574 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:17,728 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:17,880 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:18,037 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:18,190 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:18,348 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:18,505 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:18,657 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:18,812 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:18,965 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:19,118 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:19,436 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:19,589 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:19,919 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:20,073 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:20,230 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:20,390 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:20,548 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:20,701 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:20,853 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:21,013 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:21,169 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:21,338 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:21,501 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:21,658 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:21,816 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:21,972 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:22,132 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:22,306 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:22,571 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:22,724 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:22,878 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:23,032 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:23,185 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:23,338 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:23,490 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:23,650 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:23,804 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:24,117 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:24,438 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:15:24,591 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:24,912 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:15:25,231 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:15:25,385 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:25,538 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:25,853 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:26,293 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:15:26,700 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 20:15:26,924 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:15:27,146 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:15:27,602 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:15:27,861 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:28,088 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:15:28,530 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:15:28,694 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:15:28,869 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:15:29,304 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:15:29,774 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:15:30,199 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-24 20:15:30,642 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:15:31,032 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 20:15:31,407 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:15:31,604 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1