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 IntervalDomain --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_spec1_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:09:44,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:09:44,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:09:44,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:09:44,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:09:44,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:09:44,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:09:44,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:09:44,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:09:44,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:09:44,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:09:44,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:09:44,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:09:44,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:09:44,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:09:44,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:09:44,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:09:44,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:09:44,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:09:44,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:09:44,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:09:44,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:09:44,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:09:44,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:09:44,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:09:44,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:09:44,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:09:44,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:09:44,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:09:44,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:09:44,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:09:44,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:09:44,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:09:44,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:09:44,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:09:44,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:09:44,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:09:44,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:09:44,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:09:44,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:09:44,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:09:44,144 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 10:09:44,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:09:44,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:09:44,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:09:44,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:09:44,169 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:09:44,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:09:44,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:09:44,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:09:44,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:09:44,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:09:44,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:09:44,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:09:44,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:09:44,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:09:44,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:09:44,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:09:44,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:09:44,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:09:44,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:09:44,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:09:44,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:09:44,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:09:44,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:09:44,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:09:44,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:09:44,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:09:44,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:09:44,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:09:44,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 10:09:44,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:09:44,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:09:44,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:09:44,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:09:44,238 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:09:44,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2019-09-17 10:09:44,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d10506b1/19efe778406f42ad9ed762213cd7eb23/FLAGdd997616c [2019-09-17 10:09:44,832 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:09:44,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product08.cil.c [2019-09-17 10:09:44,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d10506b1/19efe778406f42ad9ed762213cd7eb23/FLAGdd997616c [2019-09-17 10:09:45,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d10506b1/19efe778406f42ad9ed762213cd7eb23 [2019-09-17 10:09:45,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:09:45,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:09:45,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:09:45,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:09:45,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:09:45,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ba6314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45, skipping insertion in model container [2019-09-17 10:09:45,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:09:45,227 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:09:45,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:09:45,652 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:09:45,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:09:45,786 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:09:45,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45 WrapperNode [2019-09-17 10:09:45,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:09:45,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:09:45,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:09:45,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:09:45,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (1/1) ... [2019-09-17 10:09:45,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:09:45,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:09:45,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:09:45,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:09:45,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:45" (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 10:09:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:09:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:09:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:09:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:09:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:09:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:09:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:09:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:09:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:09:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:09:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:09:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:09:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:09:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:09:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:09:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:09:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:09:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:09:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:09:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:09:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:09:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:09:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:09:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:09:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:09:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:09:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:09:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:09:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:09:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:09:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:09:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:09:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:09:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:09:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:09:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:09:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:09:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:09:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:09:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:09:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:09:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:09:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:09:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:09:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:09:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:09:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:09:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:09:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:09:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:09:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:09:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:09:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:09:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:09:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:09:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:09:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:09:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:09:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:09:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:09:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:09:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:09:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:09:47,328 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:09:47,328 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:09:47,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:09:47 BoogieIcfgContainer [2019-09-17 10:09:47,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:09:47,330 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:09:47,330 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:09:47,331 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:09:47,332 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:09:47" (1/1) ... [2019-09-17 10:09:47,333 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 10:09:47,364 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:09:47,364 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:09:47,376 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:09:47,387 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:09:47,389 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:10:12,184 WARN L191 SmtUtils]: Spent 14.38 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:10:13,880 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:10:17,732 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:10:18,036 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:10:18,054 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-17 10:10:18,110 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-17 10:10:18,116 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-17 10:10:18,530 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:10:18,943 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 10:10:19,308 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 10:10:20,378 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:10:20,738 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:10:21,188 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:21,533 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:21,893 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:22,201 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:23,144 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:23,475 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:23,828 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:24,172 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:24,514 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:10:24,850 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:10:25,783 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 10:10:26,087 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:26,462 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:26,790 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:27,106 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:28,068 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:28,392 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:28,731 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:29,067 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:29,424 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:29,804 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:10:30,140 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:10:31,124 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 10:10:31,442 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:31,797 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:32,226 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:32,553 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:33,548 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:33,872 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:34,182 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:34,515 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:34,911 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:35,244 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:35,586 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:35,924 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:36,260 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:36,589 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:36,921 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:37,259 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:37,590 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:37,916 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:38,240 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:38,587 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:38,913 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:39,241 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:39,569 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:39,901 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:40,231 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:40,557 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:40,879 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:41,209 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:41,537 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:41,861 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:10:42,829 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:43,793 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:44,745 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:45,705 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:46,641 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:47,583 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:48,520 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:49,457 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:50,399 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:51,339 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:52,279 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:10:53,243 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:10:53,572 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:53,895 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:54,208 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:54,516 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:54,837 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:55,157 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:55,485 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:55,798 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:56,106 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:56,421 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:56,727 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:10:57,632 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:10:58,541 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:10:59,439 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:00,359 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:01,260 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:02,147 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:03,040 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:03,931 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:04,816 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:05,705 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:06,600 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2019-09-17 10:11:06,915 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:07,246 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:07,555 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:08,478 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:08,779 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:09,079 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:09,863 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:10,710 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:11,050 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:11,374 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:11,682 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:12,591 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:12,894 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:13,195 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:13,985 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:14,835 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:15,194 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:15,521 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:15,834 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:16,775 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:17,078 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:17,381 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:18,165 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:18,461 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:11:19,349 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2019-09-17 10:11:19,682 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:19,996 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:20,311 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:21,220 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:21,525 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:21,829 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:22,609 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:22,979 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:11:23,296 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:11:24,210 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 10:11:24,511 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:11:24,810 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:11:25,128 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:25,444 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:25,764 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:26,679 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:26,985 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:27,291 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:28,088 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:28,934 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:29,249 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:29,670 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:29,978 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:30,888 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:31,191 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:31,502 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:32,285 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:33,124 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:33,415 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:11:33,744 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:34,072 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:34,389 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:35,300 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:35,596 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:35,900 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:36,685 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:37,523 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:37,842 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:38,163 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:38,479 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:39,393 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:39,693 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:39,992 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:40,775 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:41,625 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:41,941 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:42,264 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:42,579 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:43,489 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:43,794 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:44,096 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:44,880 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:45,172 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:11:46,076 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2019-09-17 10:11:47,001 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 10:11:47,325 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:47,643 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:47,966 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:48,882 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:49,202 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:49,514 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:50,298 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:51,154 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 10:11:51,449 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:11:51,758 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:11:52,077 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:52,396 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:52,702 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:11:53,617 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:11:53,924 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:54,230 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:11:55,012 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-17 10:11:55,014 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:11:55,015 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 104 for LOIs [2019-09-17 10:11:55,648 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-17 10:11:56,261 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-17 10:11:56,868 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-17 10:11:56,869 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 98 for LOIs [2019-09-17 10:11:56,873 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 98 for LOIs [2019-09-17 10:11:57,079 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-17 10:11:57,080 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:11:57,080 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:11:57,082 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 854#(and (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string11.offset|) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= 0 |#t~string49.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string68.offset|)) [2019-09-17 10:11:57,097 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:11:57,097 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:11:57,099 INFO L168 Benchmark]: Toolchain (without parser) took 131946.39 ms. Allocated memory was 139.5 MB in the beginning and 217.6 MB in the end (delta: 78.1 MB). Free memory was 84.5 MB in the beginning and 87.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:11:57,099 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:11:57,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.11 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 84.5 MB in the beginning and 166.0 MB in the end (delta: -81.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:11:57,100 INFO L168 Benchmark]: Boogie Preprocessor took 85.00 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 162.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:11:57,100 INFO L168 Benchmark]: RCFGBuilder took 1457.34 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 162.4 MB in the beginning and 153.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:11:57,101 INFO L168 Benchmark]: Sifa took 129766.69 ms. Allocated memory was 223.3 MB in the beginning and 217.6 MB in the end (delta: -5.8 MB). Free memory was 153.6 MB in the beginning and 87.3 MB in the end (delta: 66.2 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:11:57,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.11 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 84.5 MB in the beginning and 166.0 MB in the end (delta: -81.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.00 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 162.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1457.34 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 162.4 MB in the beginning and 153.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. * Sifa took 129766.69 ms. Allocated memory was 223.3 MB in the beginning and 217.6 MB in the end (delta: -5.8 MB). Free memory was 153.6 MB in the beginning and 87.3 MB in the end (delta: 66.2 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 129719, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 523, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 374, TOOLS_POST_TIME[ms]: 30440, TOOLS_POST_CALL_APPLICATIONS: 127, TOOLS_POST_CALL_TIME[ms]: 263, TOOLS_POST_RETURN_APPLICATIONS: 120, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 620, TOOLS_QUANTIFIERELIM_TIME[ms]: 30613, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30259, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 540, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 229, DOMAIN_JOIN_TIME[ms]: 98158, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 121, DOMAIN_ISBOTTOM_TIME[ms]: 468, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43796, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43794, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 120, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30829, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30827, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 57, DAG_COMPRESSION_PROCESSED_NODES: 1601, DAG_COMPRESSION_RETAINED_NODES: 328 - UnprovableResult [Line: 687]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 854#(and (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string11.offset|) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= 0 |#t~string49.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...