java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 18:46:28,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 18:46:28,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 18:46:28,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 18:46:28,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 18:46:28,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 18:46:28,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 18:46:28,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 18:46:28,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 18:46:28,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 18:46:28,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 18:46:28,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 18:46:28,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 18:46:28,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 18:46:28,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 18:46:28,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 18:46:28,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 18:46:28,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 18:46:28,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 18:46:28,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 18:46:28,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 18:46:28,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 18:46:28,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 18:46:28,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 18:46:28,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 18:46:28,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 18:46:28,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 18:46:28,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 18:46:28,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 18:46:28,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 18:46:28,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 18:46:28,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 18:46:28,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 18:46:28,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 18:46:28,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 18:46:28,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 18:46:28,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 18:46:28,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 18:46:28,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 18:46:28,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 18:46:28,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 18:46:28,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 18:46:28,964 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 18:46:28,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 18:46:28,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 18:46:28,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 18:46:28,966 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 18:46:28,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 18:46:28,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 18:46:28,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 18:46:28,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 18:46:28,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 18:46:28,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 18:46:28,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 18:46:28,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 18:46:28,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 18:46:28,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 18:46:28,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 18:46:28,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 18:46:28,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 18:46:28,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 18:46:28,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 18:46:28,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 18:46:28,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:46:28,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 18:46:28,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 18:46:28,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 18:46:28,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 18:46:28,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 18:46:28,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 18:46:28,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 18:46:29,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 18:46:29,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 18:46:29,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 18:46:29,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 18:46:29,019 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 18:46:29,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-17 18:46:29,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aff584a7/abae6f88e9584f198528e7d9c4c7fc18/FLAG7e99f400f [2019-09-17 18:46:29,600 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 18:46:29,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-17 18:46:29,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aff584a7/abae6f88e9584f198528e7d9c4c7fc18/FLAG7e99f400f [2019-09-17 18:46:29,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aff584a7/abae6f88e9584f198528e7d9c4c7fc18 [2019-09-17 18:46:29,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 18:46:29,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 18:46:29,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 18:46:29,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 18:46:29,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 18:46:29,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:46:29" (1/1) ... [2019-09-17 18:46:29,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f579f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:29, skipping insertion in model container [2019-09-17 18:46:29,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:46:29" (1/1) ... [2019-09-17 18:46:29,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 18:46:29,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 18:46:30,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:46:30,424 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 18:46:30,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:46:30,582 INFO L192 MainTranslator]: Completed translation [2019-09-17 18:46:30,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30 WrapperNode [2019-09-17 18:46:30,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 18:46:30,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 18:46:30,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 18:46:30,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 18:46:30,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... [2019-09-17 18:46:30,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 18:46:30,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 18:46:30,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 18:46:30,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 18:46:30,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:46:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-17 18:46:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 18:46:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 18:46:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 18:46:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 18:46:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 18:46:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 18:46:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 18:46:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 18:46:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 18:46:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 18:46:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 18:46:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 18:46:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 18:46:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 18:46:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 18:46:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 18:46:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 18:46:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 18:46:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 18:46:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 18:46:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 18:46:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-17 18:46:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 18:46:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 18:46:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 18:46:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 18:46:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 18:46:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:46:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 18:46:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 18:46:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 18:46:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 18:46:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 18:46:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 18:46:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 18:46:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 18:46:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 18:46:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 18:46:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 18:46:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 18:46:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 18:46:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 18:46:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 18:46:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 18:46:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 18:46:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 18:46:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 18:46:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 18:46:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 18:46:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 18:46:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 18:46:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 18:46:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 18:46:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 18:46:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 18:46:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 18:46:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 18:46:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 18:46:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 18:46:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 18:46:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 18:46:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 18:46:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 18:46:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 18:46:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 18:46:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 18:46:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 18:46:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:46:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 18:46:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 18:46:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 18:46:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 18:46:32,391 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 18:46:32,391 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 18:46:32,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:46:32 BoogieIcfgContainer [2019-09-17 18:46:32,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 18:46:32,393 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 18:46:32,394 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 18:46:32,394 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 18:46:32,395 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:46:32" (1/1) ... [2019-09-17 18:46:32,396 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 18:46:32,426 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 18:46:32,426 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 18:46:32,435 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 18:46:32,445 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 18:46:32,447 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 18:46:53,413 WARN L191 SmtUtils]: Spent 12.41 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 18:46:54,944 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 18:46:58,653 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 18:47:00,333 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 18:47:02,055 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 18:47:02,306 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 18:47:06,722 WARN L191 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 490 DAG size of output: 434 [2019-09-17 18:47:06,737 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 440 for LOIs [2019-09-17 18:47:06,829 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 440 for LOIs [2019-09-17 18:47:06,835 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 440 for LOIs [2019-09-17 18:47:18,802 WARN L191 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 453 DAG size of output: 452 [2019-09-17 18:47:24,645 WARN L191 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-17 18:47:25,502 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-17 18:47:39,378 WARN L191 SmtUtils]: Spent 13.87 s on a formula simplification. DAG size of input: 503 DAG size of output: 478 [2019-09-17 18:47:51,006 WARN L191 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 453 DAG size of output: 452 [2019-09-17 18:47:56,783 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-17 18:47:57,642 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-17 18:48:11,368 WARN L191 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 503 DAG size of output: 478 [2019-09-17 18:48:24,240 WARN L191 SmtUtils]: Spent 12.75 s on a formula simplification. DAG size of input: 491 DAG size of output: 489 [2019-09-17 18:48:30,717 WARN L191 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-17 18:48:31,058 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 18:48:44,401 WARN L191 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 490 DAG size of output: 488 [2019-09-17 18:49:00,537 WARN L191 SmtUtils]: Spent 13.54 s on a formula simplification. DAG size of input: 517 DAG size of output: 513 [2019-09-17 18:49:07,243 WARN L191 SmtUtils]: Spent 6.70 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 18:49:07,587 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:49:21,875 WARN L191 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-17 18:49:28,667 WARN L191 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 514 DAG size of output: 493 [2019-09-17 18:49:31,026 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-17 18:49:31,469 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:49:38,899 WARN L191 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 491 DAG size of output: 486 [2019-09-17 18:49:51,067 WARN L191 SmtUtils]: Spent 12.17 s on a formula simplification. DAG size of input: 516 DAG size of output: 513 [2019-09-17 18:49:57,294 WARN L191 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 18:49:57,616 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:50:12,220 WARN L191 SmtUtils]: Spent 14.60 s on a formula simplification. DAG size of input: 514 DAG size of output: 513 [2019-09-17 18:50:20,167 WARN L191 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 525 DAG size of output: 516 [2019-09-17 18:50:23,165 WARN L191 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 18:50:23,478 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:50:30,363 WARN L191 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-09-17 18:50:38,931 WARN L191 SmtUtils]: Spent 8.55 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 18:50:47,480 WARN L191 SmtUtils]: Spent 8.55 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 18:51:06,687 WARN L191 SmtUtils]: Spent 19.19 s on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2019-09-17 18:51:17,968 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 525 DAG size of output: 509 [2019-09-17 18:51:20,769 WARN L191 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 509 [2019-09-17 18:51:21,122 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:51:28,387 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification. DAG size of input: 510 DAG size of output: 510 [2019-09-17 18:51:34,872 WARN L191 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 496 DAG size of output: 492 [2019-09-17 18:51:37,007 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-17 18:51:37,328 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:51:44,778 WARN L191 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 491 DAG size of output: 486 [2019-09-17 18:51:59,997 WARN L191 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 512 DAG size of output: 512 [2019-09-17 18:52:07,645 WARN L191 SmtUtils]: Spent 7.65 s on a formula simplification that was a NOOP. DAG size: 512 [2019-09-17 18:52:07,980 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:52:25,030 WARN L191 SmtUtils]: Spent 17.05 s on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2019-09-17 18:52:40,374 WARN L191 SmtUtils]: Spent 15.34 s on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2019-09-17 18:52:47,953 WARN L191 SmtUtils]: Spent 7.58 s on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 18:52:48,260 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:53:05,515 WARN L191 SmtUtils]: Spent 17.25 s on a formula simplification. DAG size of input: 516 DAG size of output: 513 [2019-09-17 18:53:09,800 WARN L191 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 527 DAG size of output: 1 [2019-09-17 18:53:23,053 WARN L191 SmtUtils]: Spent 13.18 s on a formula simplification. DAG size of input: 491 DAG size of output: 489 [2019-09-17 18:53:29,394 WARN L191 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-17 18:53:29,713 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 18:53:43,135 WARN L191 SmtUtils]: Spent 13.42 s on a formula simplification. DAG size of input: 490 DAG size of output: 488 [2019-09-17 18:53:56,542 WARN L191 SmtUtils]: Spent 13.36 s on a formula simplification. DAG size of input: 517 DAG size of output: 513 [2019-09-17 18:54:03,187 WARN L191 SmtUtils]: Spent 6.64 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 18:54:03,503 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:54:17,323 WARN L191 SmtUtils]: Spent 13.82 s on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-17 18:54:23,289 WARN L191 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 514 DAG size of output: 493 [2019-09-17 18:54:25,420 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-17 18:54:25,761 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:54:33,258 WARN L191 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 491 DAG size of output: 486 [2019-09-17 18:54:45,839 WARN L191 SmtUtils]: Spent 12.58 s on a formula simplification. DAG size of input: 516 DAG size of output: 513 [2019-09-17 18:54:52,083 WARN L191 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 18:54:52,410 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:55:05,731 WARN L191 SmtUtils]: Spent 13.32 s on a formula simplification. DAG size of input: 514 DAG size of output: 514 [2019-09-17 18:55:13,383 WARN L191 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 525 DAG size of output: 516 [2019-09-17 18:55:16,255 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 18:55:16,565 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:55:24,152 WARN L191 SmtUtils]: Spent 7.59 s on a formula simplification. DAG size of input: 517 DAG size of output: 515 [2019-09-17 18:55:33,316 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 18:55:42,502 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 526 [2019-09-17 18:56:01,957 WARN L191 SmtUtils]: Spent 19.44 s on a formula simplification. DAG size of input: 527 DAG size of output: 526 [2019-09-17 18:56:10,043 WARN L191 SmtUtils]: Spent 7.99 s on a formula simplification. DAG size of input: 522 DAG size of output: 509 [2019-09-17 18:56:12,811 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 509 [2019-09-17 18:56:13,148 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:56:20,360 WARN L191 SmtUtils]: Spent 7.21 s on a formula simplification. DAG size of input: 510 DAG size of output: 510 [2019-09-17 18:56:32,830 WARN L191 SmtUtils]: Spent 12.43 s on a formula simplification. DAG size of input: 497 DAG size of output: 493 [2019-09-17 18:56:38,985 WARN L191 SmtUtils]: Spent 6.15 s on a formula simplification that was a NOOP. DAG size: 493 [2019-09-17 18:56:39,296 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:56:56,666 WARN L191 SmtUtils]: Spent 17.37 s on a formula simplification. DAG size of input: 492 DAG size of output: 487 [2019-09-17 18:57:15,483 WARN L191 SmtUtils]: Spent 18.81 s on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-17 18:57:24,925 WARN L191 SmtUtils]: Spent 9.44 s on a formula simplification that was a NOOP. DAG size: 516 [2019-09-17 18:57:25,259 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:57:44,295 WARN L191 SmtUtils]: Spent 19.03 s on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-17 18:58:03,563 WARN L191 SmtUtils]: Spent 19.27 s on a formula simplification. DAG size of input: 524 DAG size of output: 519 [2019-09-17 18:58:13,109 WARN L191 SmtUtils]: Spent 9.54 s on a formula simplification that was a NOOP. DAG size: 519 [2019-09-17 18:58:13,412 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 18:58:31,692 WARN L191 SmtUtils]: Spent 18.28 s on a formula simplification. DAG size of input: 520 DAG size of output: 514 [2019-09-17 18:58:31,740 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 18:58:31,742 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 493 for LOIs [2019-09-17 18:58:39,786 WARN L191 SmtUtils]: Spent 7.96 s on a formula simplification. DAG size of input: 499 DAG size of output: 461 [2019-09-17 18:58:42,190 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-17 18:58:42,446 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 18:58:48,269 WARN L191 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 462 DAG size of output: 462 [2019-09-17 18:59:00,337 WARN L191 SmtUtils]: Spent 12.06 s on a formula simplification. DAG size of input: 501 DAG size of output: 459 [2019-09-17 18:59:05,847 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-17 18:59:06,087 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 18:59:18,454 WARN L191 SmtUtils]: Spent 12.37 s on a formula simplification. DAG size of input: 459 DAG size of output: 459 [2019-09-17 18:59:31,388 WARN L191 SmtUtils]: Spent 12.93 s on a formula simplification. DAG size of input: 500 DAG size of output: 459 [2019-09-17 18:59:37,383 WARN L191 SmtUtils]: Spent 5.99 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-17 18:59:37,619 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 18:59:49,525 WARN L191 SmtUtils]: Spent 11.90 s on a formula simplification. DAG size of input: 459 DAG size of output: 459 [2019-09-17 18:59:49,528 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 450 for LOIs [2019-09-17 18:59:49,555 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 463 for LOIs [2019-09-17 18:59:53,944 WARN L191 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 463 DAG size of output: 453