/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=WIDEST --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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:56:24,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:56:24,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:56:24,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:56:24,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:56:24,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:56:24,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:56:24,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:56:24,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:56:24,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:56:24,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:56:24,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:56:24,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:56:24,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:56:24,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:56:24,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:56:24,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:56:24,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:56:24,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:56:24,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:56:24,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:56:24,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:56:24,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:56:24,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:56:24,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:56:24,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:56:24,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:56:24,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:56:24,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:56:24,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:56:24,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:56:24,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:56:24,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:56:24,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:56:24,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:56:24,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:56:24,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:56:24,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:56:24,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:56:24,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:56:24,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:56:24,650 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 02:56:24,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:56:24,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:56:24,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:56:24,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:56:24,680 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:56:24,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:56:24,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:56:24,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:56:24,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:56:24,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:56:24,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:56:24,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:56:24,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:56:24,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:56:24,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:56:24,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:56:24,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:56:24,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:56:24,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:56:24,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:56:24,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:56:24,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:56:24,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:56:24,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:56:24,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:56:24,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:56:24,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:56:24,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:56:24,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:56:24,686 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 02:56:25,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:56:25,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:56:25,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:56:25,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:56:25,203 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:56:25,205 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-25 02:56:25,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/391d3feb9/bc612f7a0778446ca5fff2e0170ec088/FLAG438c18cb0 [2020-09-25 02:56:25,955 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:56:25,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-09-25 02:56:25,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/391d3feb9/bc612f7a0778446ca5fff2e0170ec088/FLAG438c18cb0 [2020-09-25 02:56:26,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/391d3feb9/bc612f7a0778446ca5fff2e0170ec088 [2020-09-25 02:56:26,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:56:26,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:56:26,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:56:26,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:56:26,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:56:26,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:56:26" (1/1) ... [2020-09-25 02:56:26,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:26, skipping insertion in model container [2020-09-25 02:56:26,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:56:26" (1/1) ... [2020-09-25 02:56:26,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:56:26,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:56:26,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:56:26,933 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:56:27,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:56:27,067 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:56:27,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27 WrapperNode [2020-09-25 02:56:27,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:56:27,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:56:27,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:56:27,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:56:27,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (1/1) ... [2020-09-25 02:56:27,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:56:27,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:56:27,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:56:27,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:56:27,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (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 02:56:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:56:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:56:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 02:56:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 02:56:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 02:56:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 02:56:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 02:56:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 02:56:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 02:56:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 02:56:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 02:56:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 02:56:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 02:56:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 02:56:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 02:56:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 02:56:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 02:56:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 02:56:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 02:56:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 02:56:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 02:56:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 02:56:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:56:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 02:56:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 02:56:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 02:56:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 02:56:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 02:56:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 02:56:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 02:56:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 02:56:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 02:56:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 02:56:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 02:56:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 02:56:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 02:56:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 02:56:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 02:56:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 02:56:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 02:56:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 02:56:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 02:56:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:56:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:56:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 02:56:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 02:56:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 02:56:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 02:56:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 02:56:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 02:56:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 02:56:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 02:56:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 02:56:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 02:56:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 02:56:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 02:56:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 02:56:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 02:56:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 02:56:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 02:56:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 02:56:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 02:56:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:56:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 02:56:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 02:56:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 02:56:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 02:56:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 02:56:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 02:56:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 02:56:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:56:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 02:56:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 02:56:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 02:56:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:56:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:56:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 02:56:27,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 02:56:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:56:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:56:28,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:56:28,546 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:56:28,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:56:28 BoogieIcfgContainer [2020-09-25 02:56:28,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:56:28,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:56:28,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:56:28,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:56:28,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:56:26" (1/3) ... [2020-09-25 02:56:28,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ae7798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:56:28, skipping insertion in model container [2020-09-25 02:56:28,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:27" (2/3) ... [2020-09-25 02:56:28,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ae7798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:56:28, skipping insertion in model container [2020-09-25 02:56:28,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:56:28" (3/3) ... [2020-09-25 02:56:28,570 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-09-25 02:56:28,582 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:56:28,595 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:56:28,618 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:56:28,660 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:56:28,660 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:56:28,660 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:56:28,661 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:56:28,661 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:56:28,662 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:56:28,662 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:56:28,662 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:56:28,692 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2020-09-25 02:56:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 02:56:28,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:56:28,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:56:28,713 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:56:28,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:56:28,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2025840680, now seen corresponding path program 1 times [2020-09-25 02:56:28,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:56:28,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690452106] [2020-09-25 02:56:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:56:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:29,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:29,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:31,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:32,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:33,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:34,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:34,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 02:56:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:56:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-09-25 02:56:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 02:56:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 02:56:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 02:56:34,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-25 02:56:35,006 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:56:35,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:56:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:56:35,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-25 02:56:35,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 02:56:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:35,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:56:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:35,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:35,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:35,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:56:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:35,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:35,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:35,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:56:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:35,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:56:35,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:35,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:56:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:35,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:35,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:35,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:35,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:35,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:56:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:56:35,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:35,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:56:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:56:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:35,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:56:35,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:56:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 02:56:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:35,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:56:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:56:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:56:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:56:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:35,649 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 02:56:35,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690452106] [2020-09-25 02:56:35,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:56:35,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:56:35,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601306261] [2020-09-25 02:56:35,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:56:35,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:56:35,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:56:35,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:56:35,693 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 9 states. [2020-09-25 02:56:36,485 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:37,516 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:37,833 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:56:38,155 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:38,573 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 02:56:38,928 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 02:56:39,816 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:40,191 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:40,747 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:41,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:56:41,892 INFO L93 Difference]: Finished difference Result 660 states and 807 transitions. [2020-09-25 02:56:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 02:56:41,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 02:56:41,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:56:41,917 INFO L225 Difference]: With dead ends: 660 [2020-09-25 02:56:41,918 INFO L226 Difference]: Without dead ends: 459 [2020-09-25 02:56:41,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 02:56:41,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-09-25 02:56:42,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 383. [2020-09-25 02:56:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 02:56:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 428 transitions. [2020-09-25 02:56:42,067 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 428 transitions. Word has length 148 [2020-09-25 02:56:42,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:56:42,068 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 428 transitions. [2020-09-25 02:56:42,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:56:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 428 transitions. [2020-09-25 02:56:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 02:56:42,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:56:42,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:56:42,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:56:42,075 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:56:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:56:42,076 INFO L82 PathProgramCache]: Analyzing trace with hash 812312287, now seen corresponding path program 1 times [2020-09-25 02:56:42,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:56:42,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483993108] [2020-09-25 02:56:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:56:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:42,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:42,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:42,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:44,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:47,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:47,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-25 02:56:47,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:56:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 02:56:47,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 02:56:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 02:56:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-25 02:56:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:47,630 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:56:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:56:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:47,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:47,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:56:47,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:47,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 02:56:47,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:47,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 02:56:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:56:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:47,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:47,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:47,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:47,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:47,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:56:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:47,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:47,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:47,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:47,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:47,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:47,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:47,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:56:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:47,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:47,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:47,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:47,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:56:47,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:47,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:47,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:47,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:47,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:56:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:47,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:47,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:47,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:47,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:47,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:47,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:56:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:48,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:56:48,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:48,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:56:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:48,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:56:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:48,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:48,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:56:48,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:48,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:56:48,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:48,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:56:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 02:56:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:48,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:48,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:56:48,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:56:48,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:56:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 02:56:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:48,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:48,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:48,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:48,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:48,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:48,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:48,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 02:56:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:48,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:48,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:48,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:48,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:56:48,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:48,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:56:48,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:48,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:48,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:48,128 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 02:56:48,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483993108] [2020-09-25 02:56:48,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:56:48,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 02:56:48,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108337136] [2020-09-25 02:56:48,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 02:56:48,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:56:48,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 02:56:48,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:56:48,134 INFO L87 Difference]: Start difference. First operand 383 states and 428 transitions. Second operand 11 states. [2020-09-25 02:56:48,673 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:49,988 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:50,301 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:56:50,656 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:50,975 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:56:51,300 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:51,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:56:51,917 INFO L93 Difference]: Finished difference Result 697 states and 862 transitions. [2020-09-25 02:56:51,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 02:56:51,917 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-09-25 02:56:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:56:51,920 INFO L225 Difference]: With dead ends: 697 [2020-09-25 02:56:51,920 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 02:56:51,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2020-09-25 02:56:51,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 02:56:51,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 02:56:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 02:56:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 02:56:51,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-09-25 02:56:51,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:56:51,928 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 02:56:51,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 02:56:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 02:56:51,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 02:56:51,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:56:51,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 02:56:52,115 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:52,282 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:52,423 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 3 [2020-09-25 02:56:52,589 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:52,747 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:52,909 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:53,068 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:53,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:53,383 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:53,625 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:53,785 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:53,942 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:54,099 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:54,258 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:54,414 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:54,566 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:54,714 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:54,873 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:55,026 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:55,181 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:55,325 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:56:55,485 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:55,639 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:55,787 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:55,940 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:56,095 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:56,244 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:56,392 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:56,540 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:56,693 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:56,842 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:56,995 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:57,143 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:57,297 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:57,450 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:57,598 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:57,754 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:57,905 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:58,058 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:58,206 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:58,355 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:58,508 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:58,661 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:58,813 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:58,966 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:59,118 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:59,265 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:59,418 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:59,572 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:59,891 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:00,219 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:00,535 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:00,864 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:01,216 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:01,530 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:01,848 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:02,166 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:02,488 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:02,803 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:03,128 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:03,457 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:03,779 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:04,031 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:04,185 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:04,338 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:04,486 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:04,638 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:04,786 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:04,940 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:05,093 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:05,246 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:05,469 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:05,622 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:05,776 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:05,930 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:06,180 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:06,330 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:06,478 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:06,626 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:06,773 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:07,023 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:07,184 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:07,345 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:07,498 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:07,661 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:07,810 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:08,129 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:08,453 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:08,767 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:09,090 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:09,413 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:09,728 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:10,042 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:10,356 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:10,680 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:10,994 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 02:57:11,318 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:11,648 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:11,971 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 02:57:12,155 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:12,308 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:12,464 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:12,613 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:12,761 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:12,909 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:13,057 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:13,205 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:13,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:13,506 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:13,659 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:13,811 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:13,964 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:14,116 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:14,268 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:14,417 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:14,564 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:14,716 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:15,128 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-25 02:57:15,354 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:15,555 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-25 02:57:15,784 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-25 02:57:15,953 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:16,337 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-25 02:57:16,757 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-25 02:57:17,014 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:57:17,636 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-09-25 02:57:18,064 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 02:57:18,455 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-25 02:57:18,871 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-09-25 02:57:19,293 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-25 02:57:19,711 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-25 02:57:20,127 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-25 02:57:20,324 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:20,570 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:20,798 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:21,395 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 19 [2020-09-25 02:57:21,646 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-25 02:57:21,875 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:22,100 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-25 02:57:22,326 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-25 02:57:22,779 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-09-25 02:57:23,019 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2020-09-25 02:57:23,242 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22