/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:08:27,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:08:27,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:08:27,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:08:27,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:08:27,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:08:27,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:08:27,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:08:27,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:08:27,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:08:27,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:08:27,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:08:27,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:08:27,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:08:27,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:08:27,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:08:27,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:08:27,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:08:27,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:08:27,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:08:27,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:08:27,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:08:27,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:08:27,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:08:27,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:08:27,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:08:27,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:08:27,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:08:27,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:08:27,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:08:27,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:08:27,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:08:27,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:08:27,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:08:27,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:08:27,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:08:27,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:08:27,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:08:27,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:08:27,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:08:27,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:08:27,651 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 04:08:27,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:08:27,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:08:27,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:08:27,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:08:27,705 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:08:27,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:08:27,705 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:08:27,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:08:27,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:08:27,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:08:27,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:08:27,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:08:27,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:08:27,708 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:08:27,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:08:27,708 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:08:27,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:08:27,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:08:27,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:08:27,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:08:27,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:08:27,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:08:27,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:08:27,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:08:27,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:08:27,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:08:27,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:08:27,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:08:27,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:08:27,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:08:28,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:08:28,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:08:28,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:08:28,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:08:28,226 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:08:28,227 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-25 04:08:28,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dbb91a08/310ed6b8ae0b468bad9ab0428935a308/FLAGee7e667e2 [2020-09-25 04:08:28,979 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:08:28,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-09-25 04:08:28,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dbb91a08/310ed6b8ae0b468bad9ab0428935a308/FLAGee7e667e2 [2020-09-25 04:08:29,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5dbb91a08/310ed6b8ae0b468bad9ab0428935a308 [2020-09-25 04:08:29,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:08:29,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:08:29,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:08:29,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:08:29,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:08:29,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:08:29" (1/1) ... [2020-09-25 04:08:29,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53baac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:29, skipping insertion in model container [2020-09-25 04:08:29,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:08:29" (1/1) ... [2020-09-25 04:08:29,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:08:29,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:08:29,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:08:29,833 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:08:29,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:08:30,039 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:08:30,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30 WrapperNode [2020-09-25 04:08:30,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:08:30,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:08:30,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:08:30,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:08:30,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... [2020-09-25 04:08:30,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:08:30,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:08:30,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:08:30,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:08:30,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:08:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:08:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:08:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:08:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:08:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:08:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:08:30,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:08:30,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:08:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:08:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:08:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:08:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:08:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:08:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:08:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:08:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:08:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:08:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:08:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:08:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:08:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:08:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:08:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:08:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:08:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:08:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:08:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:08:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:08:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:08:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:08:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:08:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:08:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:08:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:08:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:08:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:08:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:08:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:08:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:08:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:08:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:08:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:08:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:08:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:08:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:08:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:08:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:08:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:08:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:08:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:08:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:08:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:08:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:08:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:08:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:08:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:08:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:08:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:08:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:08:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:08:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:08:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:08:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:08:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:08:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:08:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:08:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:08:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:08:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:08:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:08:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:08:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:08:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:08:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:08:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:08:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:08:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:08:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:08:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:08:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:08:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:08:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:08:31,453 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:08:31,453 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:08:31,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:08:31 BoogieIcfgContainer [2020-09-25 04:08:31,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:08:31,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:08:31,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:08:31,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:08:31,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:08:29" (1/3) ... [2020-09-25 04:08:31,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ededc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:08:31, skipping insertion in model container [2020-09-25 04:08:31,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:30" (2/3) ... [2020-09-25 04:08:31,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ededc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:08:31, skipping insertion in model container [2020-09-25 04:08:31,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:08:31" (3/3) ... [2020-09-25 04:08:31,472 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-09-25 04:08:31,485 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:08:31,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:08:31,523 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:08:31,559 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:08:31,559 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:08:31,560 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:08:31,560 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:08:31,560 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:08:31,560 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:08:31,560 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:08:31,561 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:08:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-25 04:08:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 04:08:31,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:31,613 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 04:08:31,614 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:31,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1039821128, now seen corresponding path program 1 times [2020-09-25 04:08:31,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:31,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077391140] [2020-09-25 04:08:31,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:32,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:32,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:33,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:34,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 04:08:37,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:08:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 04:08:37,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:08:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 04:08:37,459 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:08:37,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:08:37,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 04:08:37,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:08:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:37,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:08:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:37,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:08:37,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:08:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:08:37,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:08:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:37,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:37,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:08:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:37,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:08:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:37,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:37,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:37,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:37,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:08:37,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:37,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:37,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:37,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:08:37,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077391140] [2020-09-25 04:08:37,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:37,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:08:37,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551093583] [2020-09-25 04:08:37,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:08:37,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:37,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:08:37,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:08:37,873 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 3 states. [2020-09-25 04:08:39,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:39,624 INFO L93 Difference]: Finished difference Result 424 states and 508 transitions. [2020-09-25 04:08:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:08:39,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 04:08:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:39,671 INFO L225 Difference]: With dead ends: 424 [2020-09-25 04:08:39,671 INFO L226 Difference]: Without dead ends: 270 [2020-09-25 04:08:39,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:08:39,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-09-25 04:08:39,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 228. [2020-09-25 04:08:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-25 04:08:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 246 transitions. [2020-09-25 04:08:39,855 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 246 transitions. Word has length 142 [2020-09-25 04:08:39,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:39,856 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 246 transitions. [2020-09-25 04:08:39,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:08:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2020-09-25 04:08:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 04:08:39,866 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:39,866 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 04:08:39,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:08:39,867 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:39,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:39,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1386345031, now seen corresponding path program 1 times [2020-09-25 04:08:39,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:39,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201972719] [2020-09-25 04:08:39,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:40,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:41,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:42,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:43,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:44,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:44,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 04:08:44,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:08:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 04:08:44,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:44,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:08:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:08:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,410 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:08:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:08:45,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 04:08:45,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:08:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:45,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:08:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:08:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:45,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:08:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:45,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:08:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:45,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:08:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:45,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:45,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:45,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:45,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:08:45,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201972719] [2020-09-25 04:08:45,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:45,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:08:45,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451937588] [2020-09-25 04:08:45,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:08:45,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:45,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:08:45,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:08:45,649 INFO L87 Difference]: Start difference. First operand 228 states and 246 transitions. Second operand 4 states. [2020-09-25 04:08:46,289 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:08:47,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:47,213 INFO L93 Difference]: Finished difference Result 331 states and 371 transitions. [2020-09-25 04:08:47,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:08:47,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:08:47,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:47,218 INFO L225 Difference]: With dead ends: 331 [2020-09-25 04:08:47,218 INFO L226 Difference]: Without dead ends: 253 [2020-09-25 04:08:47,220 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 04:08:47,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-25 04:08:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 218. [2020-09-25 04:08:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-25 04:08:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2020-09-25 04:08:47,263 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 143 [2020-09-25 04:08:47,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:47,264 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2020-09-25 04:08:47,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:08:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2020-09-25 04:08:47,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 04:08:47,267 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:47,267 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 04:08:47,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:08:47,268 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:47,268 INFO L82 PathProgramCache]: Analyzing trace with hash -325634180, now seen corresponding path program 1 times [2020-09-25 04:08:47,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:47,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315534620] [2020-09-25 04:08:47,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:47,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:49,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:08:52,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:08:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 04:08:52,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:08:52,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:08:52,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,677 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:08:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:08:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:08:52,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 04:08:52,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:08:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:52,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:52,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:08:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:52,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:52,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:08:52,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:08:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:52,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:08:52,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:08:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:08:52,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:08:52,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:52,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:08:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:08:52,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:08:52,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:08:52,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:08:52,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:08:52,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:08:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:52,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:52,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:08:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:52,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:52,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:08:52,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:08:52,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:08:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:08:52,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:08:52,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:08:52,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:08:52,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:08:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:08:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:08:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:08:52,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315534620] [2020-09-25 04:08:52,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:08:52,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:08:52,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533943058] [2020-09-25 04:08:52,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:08:52,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:08:52,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:08:52,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:08:52,905 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand 5 states. [2020-09-25 04:08:53,432 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:08:55,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:08:55,085 INFO L93 Difference]: Finished difference Result 500 states and 580 transitions. [2020-09-25 04:08:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:08:55,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 04:08:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:08:55,091 INFO L225 Difference]: With dead ends: 500 [2020-09-25 04:08:55,091 INFO L226 Difference]: Without dead ends: 392 [2020-09-25 04:08:55,093 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 04:08:55,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-09-25 04:08:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 316. [2020-09-25 04:08:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-09-25 04:08:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 347 transitions. [2020-09-25 04:08:55,166 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 347 transitions. Word has length 156 [2020-09-25 04:08:55,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:08:55,167 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 347 transitions. [2020-09-25 04:08:55,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:08:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 347 transitions. [2020-09-25 04:08:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:08:55,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:08:55,170 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 04:08:55,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:08:55,171 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:08:55,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:08:55,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1240698141, now seen corresponding path program 1 times [2020-09-25 04:08:55,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:08:55,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726532215] [2020-09-25 04:08:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:08:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:08:55,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:56,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:08:58,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:00,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 04:09:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:09:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:09:00,702 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:09:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:00,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:00,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:09:00,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 04:09:00,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:00,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:09:00,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:09:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:00,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:00,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:00,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:00,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:00,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:09:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:00,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:00,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:00,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:00,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:00,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:00,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:09:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:00,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:00,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:00,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:09:00,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:00,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:09:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:00,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:00,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:00,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:00,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:00,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:01,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:09:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:01,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:01,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:09:01,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:01,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:01,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:09:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:01,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:01,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:01,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:09:01,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:01,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:09:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:09:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:01,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:09:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:01,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:01,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:01,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:01,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:09:01,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:01,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:09:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:09:01,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:09:01,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726532215] [2020-09-25 04:09:01,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:09:01,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:09:01,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259150336] [2020-09-25 04:09:01,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:09:01,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:09:01,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:09:01,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:09:01,139 INFO L87 Difference]: Start difference. First operand 316 states and 347 transitions. Second operand 9 states. [2020-09-25 04:09:01,763 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:02,905 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:03,227 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:09:03,561 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:03,909 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:09:04,229 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:09:04,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:09:04,436 INFO L93 Difference]: Finished difference Result 515 states and 600 transitions. [2020-09-25 04:09:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:09:04,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 04:09:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:09:04,438 INFO L225 Difference]: With dead ends: 515 [2020-09-25 04:09:04,438 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:09:04,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 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 04:09:04,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:09:04,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:09:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:09:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:09:04,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 04:09:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:09:04,448 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:09:04,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:09:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:09:04,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:09:04,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:09:04,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:09:04,665 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:04,822 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:04,941 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:09:05,094 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:05,344 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:09:05,677 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 04:09:05,997 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 04:09:06,312 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 04:09:06,465 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:06,620 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:06,768 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:06,874 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:09:06,977 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:09:07,130 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:07,278 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:07,608 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:09:07,918 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:09:08,229 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:09:08,368 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:08,516 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:08,668 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:08,812 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:08,961 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:09,113 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:09,261 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:09,414 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:09,558 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:09,705 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:09,854 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:10,001 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:10,150 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:10,305 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:10,454 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:10,598 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:10,747 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:10,913 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:11,057 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:11,289 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:09:11,600 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 04:09:11,913 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 04:09:12,224 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 04:09:12,375 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:12,523 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:12,667 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:12,815 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:12,964 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:13,107 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:13,356 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 04:09:13,505 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:13,656 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:13,800 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:14,054 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:14,206 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:14,379 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:14,527 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:14,675 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:14,939 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:15,088 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:15,237 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:15,385 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:15,803 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:09:15,997 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:16,402 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:09:16,610 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:09:16,872 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:17,088 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:17,286 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 04:09:17,549 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:17,755 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:09:18,164 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:09:18,572 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:09:18,765 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:09:19,149 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8