/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:34:08,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:34:08,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:34:09,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:34:09,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:34:09,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:34:09,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:34:09,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:34:09,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:34:09,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:34:09,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:34:09,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:34:09,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:34:09,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:34:09,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:34:09,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:34:09,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:34:09,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:34:09,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:34:09,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:34:09,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:34:09,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:34:09,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:34:09,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:34:09,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:34:09,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:34:09,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:34:09,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:34:09,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:34:09,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:34:09,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:34:09,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:34:09,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:34:09,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:34:09,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:34:09,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:34:09,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:34:09,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:34:09,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:34:09,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:34:09,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:34:09,044 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 07:34:09,071 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:34:09,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:34:09,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:34:09,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:34:09,073 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:34:09,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:34:09,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:34:09,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:34:09,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:34:09,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:34:09,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:34:09,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:34:09,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:34:09,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:34:09,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:34:09,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:34:09,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:34:09,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:34:09,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:34:09,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:34:09,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:34:09,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:34:09,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:34:09,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:34:09,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:34:09,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:34:09,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:34:09,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:34:09,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:34:09,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:34:09,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:34:09,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:34:09,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:34:09,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:34:09,608 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:34:09,609 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-09-25 07:34:09,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ef00c790/3b65caf8dfb44b19a2c9a31a58138dea/FLAG9b406f5cb [2020-09-25 07:34:10,328 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:34:10,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-09-25 07:34:10,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ef00c790/3b65caf8dfb44b19a2c9a31a58138dea/FLAG9b406f5cb [2020-09-25 07:34:10,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8ef00c790/3b65caf8dfb44b19a2c9a31a58138dea [2020-09-25 07:34:10,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:34:10,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:34:10,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:34:10,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:34:10,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:34:10,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:34:10" (1/1) ... [2020-09-25 07:34:10,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71155234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:10, skipping insertion in model container [2020-09-25 07:34:10,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:34:10" (1/1) ... [2020-09-25 07:34:10,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:34:10,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:34:11,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:34:11,090 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:34:11,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:34:11,356 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:34:11,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11 WrapperNode [2020-09-25 07:34:11,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:34:11,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:34:11,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:34:11,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:34:11,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (1/1) ... [2020-09-25 07:34:11,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:34:11,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:34:11,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:34:11,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:34:11,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (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 07:34:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:34:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:34:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:34:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:34:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:34:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:34:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:34:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:34:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:34:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:34:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:34:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:34:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:34:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:34:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:34:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:34:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:34:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:34:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:34:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:34:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:34:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:34:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:34:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:34:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:34:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:34:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:34:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:34:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:34:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:34:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:34:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:34:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:34:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:34:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:34:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:34:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:34:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:34:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:34:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:34:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:34:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:34:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:34:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:34:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:34:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:34:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:34:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:34:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:34:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:34:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:34:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:34:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:34:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:34:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:34:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:34:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:34:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:34:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:34:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:34:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:34:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:34:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:34:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:34:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:34:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:34:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:34:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:34:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:34:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:34:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:34:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:34:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:34:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:34:12,864 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:34:12,865 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:34:12,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:34:12 BoogieIcfgContainer [2020-09-25 07:34:12,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:34:12,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:34:12,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:34:12,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:34:12,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:34:10" (1/3) ... [2020-09-25 07:34:12,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a12fdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:34:12, skipping insertion in model container [2020-09-25 07:34:12,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:34:11" (2/3) ... [2020-09-25 07:34:12,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a12fdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:34:12, skipping insertion in model container [2020-09-25 07:34:12,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:34:12" (3/3) ... [2020-09-25 07:34:12,885 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-09-25 07:34:12,900 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:34:12,912 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:34:12,938 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:34:12,975 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:34:12,975 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:34:12,975 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:34:12,976 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:34:12,976 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:34:12,976 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:34:12,976 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:34:12,976 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:34:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-25 07:34:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:34:13,027 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:34:13,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:34:13,029 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:34:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:34:13,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1324384437, now seen corresponding path program 1 times [2020-09-25 07:34:13,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:34:13,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338522537] [2020-09-25 07:34:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:34:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:13,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:13,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:15,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:18,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:18,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:34:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:34:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 07:34:18,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:18,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:34:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:34:18,834 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:34:18,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:34:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:18,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:18,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:34:18,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 07:34:18,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:18,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-09-25 07:34:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:34:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:19,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:19,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:19,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:19,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:19,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:19,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:19,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:34:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:19,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:19,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:19,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:19,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:19,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:19,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:19,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:34:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:34:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:19,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:19,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:34:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:19,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:19,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:19,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:19,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:19,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:34:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:19,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:19,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:19,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:19,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:19,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:34:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:34:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:34:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:19,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:19,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:19,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:19,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:19,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:19,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:19,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:34:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:19,157 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 07:34:19,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338522537] [2020-09-25 07:34:19,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:34:19,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:34:19,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038237140] [2020-09-25 07:34:19,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:34:19,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:34:19,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:34:19,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:34:19,190 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-09-25 07:34:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:34:21,085 INFO L93 Difference]: Finished difference Result 372 states and 447 transitions. [2020-09-25 07:34:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:34:21,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:34:21,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:34:21,115 INFO L225 Difference]: With dead ends: 372 [2020-09-25 07:34:21,115 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 07:34:21,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:34:21,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 07:34:21,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 203. [2020-09-25 07:34:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-25 07:34:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 217 transitions. [2020-09-25 07:34:21,350 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 217 transitions. Word has length 142 [2020-09-25 07:34:21,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:34:21,352 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 217 transitions. [2020-09-25 07:34:21,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:34:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2020-09-25 07:34:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:34:21,376 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:34:21,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:34:21,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:34:21,380 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:34:21,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:34:21,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1257316615, now seen corresponding path program 1 times [2020-09-25 07:34:21,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:34:21,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [231581523] [2020-09-25 07:34:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:34:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:21,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:21,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:23,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:24,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:26,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:26,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:34:26,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:34:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 07:34:26,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:26,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:34:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:34:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:34:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:26,887 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:34:26,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:34:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:34:27,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 07:34:27,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:34:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:27,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:27,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:34:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:27,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:27,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:34:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:34:27,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:27,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:34:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:27,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:27,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:27,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:27,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:34:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:27,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:27,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:34:27,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:34:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:27,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:27,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:27,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:27,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:27,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:34:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:27,138 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 07:34:27,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [231581523] [2020-09-25 07:34:27,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:34:27,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:34:27,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913804477] [2020-09-25 07:34:27,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:34:27,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:34:27,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:34:27,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:34:27,143 INFO L87 Difference]: Start difference. First operand 203 states and 217 transitions. Second operand 4 states. [2020-09-25 07:34:27,776 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:34:28,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:34:28,419 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2020-09-25 07:34:28,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:34:28,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:34:28,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:34:28,425 INFO L225 Difference]: With dead ends: 276 [2020-09-25 07:34:28,425 INFO L226 Difference]: Without dead ends: 226 [2020-09-25 07:34:28,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:34:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-25 07:34:28,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 193. [2020-09-25 07:34:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-25 07:34:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 204 transitions. [2020-09-25 07:34:28,488 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 204 transitions. Word has length 143 [2020-09-25 07:34:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:34:28,489 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 204 transitions. [2020-09-25 07:34:28,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:34:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 204 transitions. [2020-09-25 07:34:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 07:34:28,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:34:28,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:34:28,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:34:28,496 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:34:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:34:28,496 INFO L82 PathProgramCache]: Analyzing trace with hash 349563729, now seen corresponding path program 1 times [2020-09-25 07:34:28,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:34:28,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709254594] [2020-09-25 07:34:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:34:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:28,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:28,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:29,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:31,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:33,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:33,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 07:34:33,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:34:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 07:34:33,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:33,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:34:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:34:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:34:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:33,896 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:34:33,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:34:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:33,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:34:34,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 07:34:34,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:34:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:34:34,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:34:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:34,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:34:34,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:34,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:34:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:34,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:34,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:34:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:34,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:34,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 07:34:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:34:34,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:34:34,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:34:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:34:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:34:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:34,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:34:34,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:34:34,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:34:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:34,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:34,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:34,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:34,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:34,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:34,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:34,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:34:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:34,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:34,157 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 07:34:34,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709254594] [2020-09-25 07:34:34,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:34:34,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:34:34,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848461369] [2020-09-25 07:34:34,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:34:34,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:34:34,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:34:34,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:34:34,165 INFO L87 Difference]: Start difference. First operand 193 states and 204 transitions. Second operand 5 states. [2020-09-25 07:34:34,692 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:34:35,931 INFO L93 Difference]: Finished difference Result 421 states and 487 transitions. [2020-09-25 07:34:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:34:35,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 07:34:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:34:35,940 INFO L225 Difference]: With dead ends: 421 [2020-09-25 07:34:35,940 INFO L226 Difference]: Without dead ends: 338 [2020-09-25 07:34:35,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:34:35,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-25 07:34:36,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 260. [2020-09-25 07:34:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-09-25 07:34:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 281 transitions. [2020-09-25 07:34:36,018 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 281 transitions. Word has length 156 [2020-09-25 07:34:36,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:34:36,019 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 281 transitions. [2020-09-25 07:34:36,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:34:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 281 transitions. [2020-09-25 07:34:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 07:34:36,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:34:36,023 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] [2020-09-25 07:34:36,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:34:36,024 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:34:36,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:34:36,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1568584818, now seen corresponding path program 1 times [2020-09-25 07:34:36,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:34:36,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023363182] [2020-09-25 07:34:36,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:34:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:36,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:37,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:37,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:34:41,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:34:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 07:34:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:34:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 07:34:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 07:34:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:34:41,441 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:34:41,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:34:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:34:41,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 07:34:41,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:34:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:41,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:41,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:41,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:34:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:34:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:41,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:34:41,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:41,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:34:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:41,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:34:41,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:41,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 07:34:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:34:41,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:34:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:34:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:34:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:34:41,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:41,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:34:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:34:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 07:34:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:41,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:34:41,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:34:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:34:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:34:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:34:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:34:41,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:34:41,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:34:41,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:34:41,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:34:41,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:34:41,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:34:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:34:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:34:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:34:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:34:41,741 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 07:34:41,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023363182] [2020-09-25 07:34:41,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:34:41,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:34:41,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360147891] [2020-09-25 07:34:41,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:34:41,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:34:41,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:34:41,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:34:41,745 INFO L87 Difference]: Start difference. First operand 260 states and 281 transitions. Second operand 9 states. [2020-09-25 07:34:42,438 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:43,638 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:43,940 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:34:44,251 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:44,559 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:34:44,866 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:45,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:34:45,068 INFO L93 Difference]: Finished difference Result 447 states and 515 transitions. [2020-09-25 07:34:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:34:45,068 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 07:34:45,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:34:45,069 INFO L225 Difference]: With dead ends: 447 [2020-09-25 07:34:45,070 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:34:45,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:34:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:34:45,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:34:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:34:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:34:45,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-09-25 07:34:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:34:45,078 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:34:45,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:34:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:34:45,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:34:45,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:34:45,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:34:45,285 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:34:45,432 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 07:34:45,594 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:45,762 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:45,927 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:46,080 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:46,240 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:46,568 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:34:46,889 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:34:47,136 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:34:47,465 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:34:47,582 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:34:47,690 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:34:47,839 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:47,989 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:48,143 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:48,457 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:34:48,770 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:34:49,005 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:34:49,324 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:34:49,632 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:34:49,929 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:34:50,226 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:34:50,365 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:34:50,514 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:50,662 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:50,809 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:50,959 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:51,108 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:51,252 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:51,403 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:51,651 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:51,799 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:51,948 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:52,093 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:52,243 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:52,389 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:52,547 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:52,698 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:52,849 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:52,993 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:53,142 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:53,294 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:53,450 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:53,594 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:53,752 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:53,896 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:54,045 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:54,194 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:54,345 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:54,491 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:34:54,783 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:34:55,076 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:34:55,368 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:34:55,518 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:34:55,873 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:34:56,131 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:34:56,351 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:34:56,723 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 07:34:56,976 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:34:57,191 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:34:57,414 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:34:57,803 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 07:34:57,982 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 07:34:58,201 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:34:58,362 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:34:58,569 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1