/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:52:30,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:52:30,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:52:30,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:52:30,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:52:30,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:52:30,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:52:30,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:52:30,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:52:30,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:52:30,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:52:30,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:52:30,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:52:30,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:52:30,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:52:30,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:52:30,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:52:30,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:52:30,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:52:30,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:52:30,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:52:30,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:52:30,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:52:30,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:52:30,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:52:30,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:52:30,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:52:30,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:52:30,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:52:30,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:52:30,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:52:30,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:52:30,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:52:30,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:52:30,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:52:30,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:52:30,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:52:30,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:52:30,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:52:30,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:52:30,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:52:30,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 16:52:30,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:52:30,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:52:30,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:52:30,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:52:30,765 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:52:30,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:52:30,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:52:30,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:52:30,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:52:30,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:52:30,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:52:30,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:52:30,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:52:30,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:52:30,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:52:30,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:52:30,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:52:30,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:52:30,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:52:30,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:52:30,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:52:30,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:52:30,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:52:30,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:52:30,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:52:30,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:52:30,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:52:30,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:52:30,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:52:30,772 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;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;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;log-additional-information=true; [2020-09-24 16:52:31,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:52:31,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:52:31,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:52:31,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:52:31,284 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:52:31,286 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-09-24 16:52:31,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ea2d93ae/2ff3db5e055048abaabcb491da12167e/FLAGf73a1f57e [2020-09-24 16:52:31,937 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:52:31,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-09-24 16:52:31,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ea2d93ae/2ff3db5e055048abaabcb491da12167e/FLAGf73a1f57e [2020-09-24 16:52:32,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ea2d93ae/2ff3db5e055048abaabcb491da12167e [2020-09-24 16:52:32,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:52:32,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:52:32,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:52:32,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:52:32,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:52:32,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:52:32" (1/1) ... [2020-09-24 16:52:32,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:32, skipping insertion in model container [2020-09-24 16:52:32,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:52:32" (1/1) ... [2020-09-24 16:52:32,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:52:32,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:52:32,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:52:32,776 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:52:32,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:52:33,013 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:52:33,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33 WrapperNode [2020-09-24 16:52:33,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:52:33,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:52:33,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:52:33,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:52:33,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:52:33,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:52:33,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:52:33,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:52:33,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:52:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:52:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:52:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:52:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:52:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:52:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:52:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 16:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:52:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:52:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:52:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:52:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:52:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:52:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:52:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:52:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:52:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:52:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:52:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:52:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:52:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:52:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:52:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 16:52:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:52:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:52:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:52:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:52:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:52:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:52:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:52:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:52:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:52:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:52:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:52:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:52:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:52:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:52:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:52:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:52:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:52:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:52:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:52:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:52:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:52:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:52:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:52:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:52:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:52:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:52:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:52:34,451 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:52:34,451 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:52:34,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:52:34 BoogieIcfgContainer [2020-09-24 16:52:34,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:52:34,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:52:34,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:52:34,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:52:34,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:52:32" (1/3) ... [2020-09-24 16:52:34,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5476c431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:52:34, skipping insertion in model container [2020-09-24 16:52:34,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (2/3) ... [2020-09-24 16:52:34,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5476c431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:52:34, skipping insertion in model container [2020-09-24 16:52:34,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:52:34" (3/3) ... [2020-09-24 16:52:34,469 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-09-24 16:52:34,482 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:52:34,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:52:34,518 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:52:34,554 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:52:34,554 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:52:34,555 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:52:34,555 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:52:34,555 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:52:34,555 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:52:34,555 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:52:34,556 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:52:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-09-24 16:52:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 16:52:34,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:52:34,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:52:34,602 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:52:34,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:52:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash 313375985, now seen corresponding path program 1 times [2020-09-24 16:52:34,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:52:34,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877557225] [2020-09-24 16:52:34,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:52:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:36,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:37,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:50,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:50,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 16:52:50,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:52:50,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15409 [2020-09-24 16:52:50,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 16:52:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 16:52:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 16:52:50,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:52:50,926 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:52:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:52:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:52:51,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 16:52:51,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:52:51,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:52:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:52:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:52:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:52:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:52:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:52:51,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:52:51,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:52:51,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:52:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:52:51,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:52:51,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:51,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:52:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:52:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:52:51,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:52:51,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:52:51,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:52:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:52:51,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:52:51,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:52:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:51,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:52:51,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:52:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:52:51,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:51,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:52:51,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:52:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:52:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:52:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:52:51,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877557225] [2020-09-24 16:52:51,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:52:51,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:52:51,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429418015] [2020-09-24 16:52:51,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:52:51,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:52:51,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:52:51,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:52:51,464 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 8 states. [2020-09-24 16:52:52,037 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:52:53,016 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:53,393 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:52:53,734 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:54,098 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:52:54,406 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:52:54,715 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:55,019 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:56,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:52:56,183 INFO L93 Difference]: Finished difference Result 432 states and 533 transitions. [2020-09-24 16:52:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:52:56,186 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 16:52:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:52:56,206 INFO L225 Difference]: With dead ends: 432 [2020-09-24 16:52:56,207 INFO L226 Difference]: Without dead ends: 300 [2020-09-24 16:52:56,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:52:56,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-24 16:52:56,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 271. [2020-09-24 16:52:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-24 16:52:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 305 transitions. [2020-09-24 16:52:56,329 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 305 transitions. Word has length 142 [2020-09-24 16:52:56,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:52:56,330 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 305 transitions. [2020-09-24 16:52:56,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:52:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 305 transitions. [2020-09-24 16:52:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 16:52:56,335 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:52:56,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:52:56,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:52:56,336 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:52:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:52:56,337 INFO L82 PathProgramCache]: Analyzing trace with hash -343680630, now seen corresponding path program 1 times [2020-09-24 16:52:56,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:52:56,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661169163] [2020-09-24 16:52:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:52:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:56,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:56,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:58,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 16:53:04,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 16:53:04,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7632 [2020-09-24 16:53:04,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 16:53:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 16:53:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,282 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:04,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 16:53:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:04,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:53:04,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:04,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:04,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:04,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:04,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:04,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:53:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 16:53:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:53:04,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:04,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:53:04,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:53:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:04,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:04,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:53:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 16:53:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:04,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:04,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:04,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:04,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:53:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:53:04,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661169163] [2020-09-24 16:53:04,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:04,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 16:53:04,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987067870] [2020-09-24 16:53:04,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 16:53:04,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:04,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 16:53:04,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:53:04,493 INFO L87 Difference]: Start difference. First operand 271 states and 305 transitions. Second operand 5 states. [2020-09-24 16:53:05,141 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 16:53:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:05,870 INFO L93 Difference]: Finished difference Result 386 states and 449 transitions. [2020-09-24 16:53:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:53:05,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 16:53:05,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:05,880 INFO L225 Difference]: With dead ends: 386 [2020-09-24 16:53:05,880 INFO L226 Difference]: Without dead ends: 295 [2020-09-24 16:53:05,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:53:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-24 16:53:05,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 251. [2020-09-24 16:53:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-09-24 16:53:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 275 transitions. [2020-09-24 16:53:05,930 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 275 transitions. Word has length 148 [2020-09-24 16:53:05,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:05,931 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 275 transitions. [2020-09-24 16:53:05,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 16:53:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 275 transitions. [2020-09-24 16:53:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 16:53:05,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:53:05,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:53:05,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:53:05,935 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:53:05,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:53:05,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1262073840, now seen corresponding path program 1 times [2020-09-24 16:53:05,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:53:05,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047332713] [2020-09-24 16:53:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:53:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:06,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:06,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 16:53:07,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 16:53:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1362 [2020-09-24 16:53:07,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:53:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 16:53:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 16:53:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,691 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:07,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:07,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:07,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-24 16:53:07,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:07,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 16:53:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:08,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:08,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:08,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:08,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:53:08,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:08,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:08,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 16:53:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:53:08,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:08,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:53:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:53:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:53:08,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:53:08,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:53:08,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 16:53:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:08,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:08,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 16:53:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:08,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:53:08,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:53:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:53:08,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047332713] [2020-09-24 16:53:08,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:08,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:53:08,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423416972] [2020-09-24 16:53:08,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:53:08,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:08,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:53:08,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:53:08,185 INFO L87 Difference]: Start difference. First operand 251 states and 275 transitions. Second operand 10 states. [2020-09-24 16:53:08,779 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 16:53:09,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:09,967 INFO L93 Difference]: Finished difference Result 397 states and 470 transitions. [2020-09-24 16:53:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:53:09,968 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-09-24 16:53:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:09,969 INFO L225 Difference]: With dead ends: 397 [2020-09-24 16:53:09,969 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:53:09,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-09-24 16:53:09,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:53:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:53:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:53:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:53:09,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 16:53:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:09,973 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:53:09,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:53:09,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:53:09,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:53:09,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:53:09,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:53:10,166 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,337 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,513 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,679 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,839 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,137 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-09-24 16:53:11,296 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,463 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,623 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,783 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,940 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,094 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,252 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,414 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,568 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,721 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,873 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,044 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,302 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-09-24 16:53:13,457 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,611 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,765 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,918 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,071 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,213 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:14,379 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,533 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,686 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,839 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,991 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,145 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,302 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,455 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,610 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,764 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,916 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,071 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,225 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,378 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,691 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,844 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,097 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-09-24 16:53:17,252 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,406 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,559 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,711 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,864 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,115 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-09-24 16:53:18,272 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,530 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-09-24 16:53:18,683 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,919 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-24 16:53:19,142 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-24 16:53:19,393 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-24 16:53:19,674 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-24 16:53:19,886 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-24 16:53:20,109 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-24 16:53:20,333 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-24 16:53:20,582 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-09-24 16:53:20,853 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184