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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:48:42,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:48:42,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:48:42,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:48:42,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:48:42,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:48:42,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:48:42,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:48:42,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:48:42,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:48:42,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:48:42,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:48:42,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:48:42,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:48:42,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:48:42,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:48:42,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:48:42,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:48:42,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:48:42,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:48:42,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:48:42,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:48:42,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:48:42,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:48:42,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:48:42,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:48:42,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:48:42,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:48:42,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:48:42,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:48:42,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:48:42,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:48:42,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:48:42,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:48:42,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:48:42,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:48:42,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:48:42,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:48:42,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:48:42,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:48:42,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:48:42,121 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 [2019-10-04 12:48:42,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:48:42,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:48:42,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:48:42,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:48:42,138 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:48:42,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:48:42,138 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:48:42,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:48:42,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:48:42,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:48:42,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:48:42,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:48:42,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:48:42,139 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:48:42,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:48:42,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:48:42,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:48:42,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:48:42,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:48:42,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:48:42,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:48:42,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:48:42,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:48:42,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:48:42,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:48:42,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:48:42,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:48:42,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:48:42,142 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 12:48:42,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:48:42,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:48:42,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:48:42,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:48:42,191 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:48:42,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-04 12:48:42,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0620dd42f/db8f3555e72846c9be75eb90ea10c936/FLAGbe273aea3 [2019-10-04 12:48:42,832 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:48:42,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-04 12:48:42,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0620dd42f/db8f3555e72846c9be75eb90ea10c936/FLAGbe273aea3 [2019-10-04 12:48:43,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0620dd42f/db8f3555e72846c9be75eb90ea10c936 [2019-10-04 12:48:43,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:48:43,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:48:43,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:48:43,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:48:43,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:48:43,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377a6792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43, skipping insertion in model container [2019-10-04 12:48:43,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,152 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:48:43,212 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:48:43,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:48:43,626 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:48:43,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:48:43,799 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:48:43,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43 WrapperNode [2019-10-04 12:48:43,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:48:43,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:48:43,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:48:43,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:48:43,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (1/1) ... [2019-10-04 12:48:43,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:48:43,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:48:43,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:48:43,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:48:43,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:48:43" (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 [2019-10-04 12:48:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:48:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:48:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:48:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:48:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:48:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:48:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:48:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:48:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:48:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:48:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:48:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:48:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:48:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:48:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:48:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:48:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:48:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:48:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:48:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:48:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:48:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:48:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:48:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:48:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:48:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:48:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-04 12:48:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-04 12:48:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:48:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:48:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:48:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:48:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:48:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:48:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:48:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:48:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:48:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:48:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:48:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:48:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:48:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:48:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:48:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:48:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:48:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:48:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:48:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:48:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:48:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:48:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:48:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-04 12:48:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:48:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:48:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:48:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:48:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:48:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:48:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:48:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-04 12:48:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:48:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:48:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:48:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-04 12:48:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:48:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:48:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:48:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:48:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:48:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:48:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:48:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:48:45,537 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:48:45,537 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:48:45,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:48:45 BoogieIcfgContainer [2019-10-04 12:48:45,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:48:45,540 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:48:45,540 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:48:45,541 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:48:45,542 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:48:45" (1/1) ... [2019-10-04 12:48:45,543 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 12:48:45,574 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:48:45,575 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:48:45,588 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:48:45,601 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:48:45,602 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:48:54,649 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-04 12:48:56,287 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:48:56,415 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:48:56,555 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:48:56,674 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:48:56,953 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-04 12:48:56,991 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-04 12:48:57,070 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-04 12:48:57,078 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-04 12:48:57,326 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:48:57,499 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:48:58,143 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:48:58,647 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:48:59,003 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-04 12:48:59,276 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-04 12:49:00,483 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-10-04 12:49:01,260 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-04 12:49:04,273 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:49:04,276 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-04 12:49:04,516 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-04 12:49:04,523 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-04 12:49:04,591 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:49:04,591 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:49:04,593 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 779#(and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 ~waterLevel~0) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) [2019-10-04 12:49:04,607 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:49:04,607 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:49:04,609 INFO L168 Benchmark]: Toolchain (without parser) took 21471.26 ms. Allocated memory was 138.4 MB in the beginning and 682.1 MB in the end (delta: 543.7 MB). Free memory was 84.3 MB in the beginning and 454.3 MB in the end (delta: -370.0 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:04,610 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:49:04,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.42 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 84.1 MB in the beginning and 163.5 MB in the end (delta: -79.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:04,613 INFO L168 Benchmark]: Boogie Preprocessor took 121.72 ms. Allocated memory is still 197.7 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:04,614 INFO L168 Benchmark]: RCFGBuilder took 1616.79 ms. Allocated memory was 197.7 MB in the beginning and 219.7 MB in the end (delta: 22.0 MB). Free memory was 159.1 MB in the beginning and 143.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:04,615 INFO L168 Benchmark]: Sifa took 19067.30 ms. Allocated memory was 219.7 MB in the beginning and 682.1 MB in the end (delta: 462.4 MB). Free memory was 143.8 MB in the beginning and 454.3 MB in the end (delta: -310.5 MB). Peak memory consumption was 151.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:49:04,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.42 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 84.1 MB in the beginning and 163.5 MB in the end (delta: -79.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.72 ms. Allocated memory is still 197.7 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1616.79 ms. Allocated memory was 197.7 MB in the beginning and 219.7 MB in the end (delta: 22.0 MB). Free memory was 159.1 MB in the beginning and 143.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 19067.30 ms. Allocated memory was 219.7 MB in the beginning and 682.1 MB in the end (delta: 462.4 MB). Free memory was 143.8 MB in the beginning and 454.3 MB in the end (delta: -310.5 MB). Peak memory consumption was 151.9 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]: 19019, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 242, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 162, TOOLS_POST_TIME[ms]: 10816, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 167, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_APPLICATIONS: 288, TOOLS_QUANTIFIERELIM_TIME[ms]: 10962, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10730, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 246, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 7157, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 403, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 51, DOMAIN_ISBOTTOM_TIME[ms]: 192, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4278, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4277, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11479, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11478, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 406, DAG_COMPRESSION_RETAINED_NODES: 223 - UnprovableResult [Line: 44]: 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 779#(and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 ~waterLevel~0) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...