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_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:13:27,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:13:27,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:13:27,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:13:27,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:13:28,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:13:28,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:13:28,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:13:28,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:13:28,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:13:28,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:13:28,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:13:28,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:13:28,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:13:28,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:13:28,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:13:28,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:13:28,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:13:28,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:13:28,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:13:28,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:13:28,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:13:28,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:13:28,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:13:28,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:13:28,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:13:28,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:13:28,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:13:28,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:13:28,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:13:28,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:13:28,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:13:28,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:13:28,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:13:28,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:13:28,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:13:28,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:13:28,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:13:28,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:13:28,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:13:28,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:13:28,035 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 [2019-09-21 09:13:28,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:13:28,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:13:28,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:13:28,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:13:28,051 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:13:28,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:13:28,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:13:28,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:13:28,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:13:28,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:13:28,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:13:28,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:13:28,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:13:28,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:13:28,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:13:28,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:13:28,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:13:28,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:13:28,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:13:28,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:13:28,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:13:28,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:13:28,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:13:28,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:13:28,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:13:28,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:13:28,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:13:28,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:13:28,055 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_QUICK [2019-09-21 09:13:28,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:13:28,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:13:28,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:13:28,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:13:28,108 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:13:28,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-21 09:13:28,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6108136f/16d6bc57e4b44234bbd1b7cb21824019/FLAG95f5f7ba4 [2019-09-21 09:13:28,763 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:13:28,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-21 09:13:28,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6108136f/16d6bc57e4b44234bbd1b7cb21824019/FLAG95f5f7ba4 [2019-09-21 09:13:29,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6108136f/16d6bc57e4b44234bbd1b7cb21824019 [2019-09-21 09:13:29,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:13:29,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:13:29,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:13:29,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:13:29,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:13:29,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297c3183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29, skipping insertion in model container [2019-09-21 09:13:29,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:13:29,112 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:13:29,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:13:29,574 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:13:29,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:13:29,707 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:13:29,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29 WrapperNode [2019-09-21 09:13:29,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:13:29,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:13:29,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:13:29,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:13:29,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (1/1) ... [2019-09-21 09:13:29,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:13:29,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:13:29,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:13:29,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:13:29,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:29" (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 [2019-09-21 09:13:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:13:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:13:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:13:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:13:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:13:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:13:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:13:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:13:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:13:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 09:13:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:13:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:13:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:13:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:13:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:13:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:13:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:13:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:13:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:13:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 09:13:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:13:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:13:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:13:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:13:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:13:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:13:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:13:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:13:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:13:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:13:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:13:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:13:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:13:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:13:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:13:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:13:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:13:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:13:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:13:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:13:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:13:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:13:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 09:13:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:13:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:13:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:13:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:13:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 09:13:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:13:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:13:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:13:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:13:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:13:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:13:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:13:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:13:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:13:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:13:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:13:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:13:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:13:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:13:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:13:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:13:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:13:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:13:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:13:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:13:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:13:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:13:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:13:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:13:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:13:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:13:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:13:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:13:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:13:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:13:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:13:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:13:31,478 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:13:31,479 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:13:31,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:13:31 BoogieIcfgContainer [2019-09-21 09:13:31,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:13:31,481 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:13:31,481 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:13:31,481 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:13:31,482 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:13:31" (1/1) ... [2019-09-21 09:13:31,483 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:13:31,512 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:13:31,512 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:13:31,526 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:13:31,539 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:13:31,541 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:13:41,215 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:13:42,926 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:13:43,067 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:13:43,151 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-21 09:13:43,190 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-21 09:13:43,193 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-21 09:13:52,718 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:13:52,719 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-21 09:13:52,820 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 106 for LOIs [2019-09-21 09:13:52,826 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 106 for LOIs [2019-09-21 09:13:52,879 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:13:52,879 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:13:52,882 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1974#(or (and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) (and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= 0 ~pumpRunning~0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|))) [2019-09-21 09:13:52,898 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:13:52,898 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:13:52,901 INFO L168 Benchmark]: Toolchain (without parser) took 23862.85 ms. Allocated memory was 140.0 MB in the beginning and 737.1 MB in the end (delta: 597.2 MB). Free memory was 86.8 MB in the beginning and 692.6 MB in the end (delta: -605.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:13:52,902 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:13:52,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.89 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 165.7 MB in the end (delta: -79.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:52,906 INFO L168 Benchmark]: Boogie Preprocessor took 112.50 ms. Allocated memory is still 199.2 MB. Free memory was 165.7 MB in the beginning and 161.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:52,913 INFO L168 Benchmark]: RCFGBuilder took 1658.82 ms. Allocated memory was 199.2 MB in the beginning and 223.9 MB in the end (delta: 24.6 MB). Free memory was 161.3 MB in the beginning and 152.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:52,914 INFO L168 Benchmark]: Sifa took 21417.79 ms. Allocated memory was 223.9 MB in the beginning and 737.1 MB in the end (delta: 513.3 MB). Free memory was 152.2 MB in the beginning and 692.6 MB in the end (delta: -540.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:13:52,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.89 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 165.7 MB in the end (delta: -79.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.50 ms. Allocated memory is still 199.2 MB. Free memory was 165.7 MB in the beginning and 161.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1658.82 ms. Allocated memory was 199.2 MB in the beginning and 223.9 MB in the end (delta: 24.6 MB). Free memory was 161.3 MB in the beginning and 152.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * Sifa took 21417.79 ms. Allocated memory was 223.9 MB in the beginning and 737.1 MB in the end (delta: 513.3 MB). Free memory was 152.2 MB in the beginning and 692.6 MB in the end (delta: -540.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 21370, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1289, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 941, TOOLS_POST_TIME[ms]: 11954, TOOLS_POST_CALL_APPLICATIONS: 297, TOOLS_POST_CALL_TIME[ms]: 493, TOOLS_POST_RETURN_APPLICATIONS: 290, TOOLS_POST_RETURN_TIME[ms]: 288, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1527, TOOLS_QUANTIFIERELIM_TIME[ms]: 12304, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11453, FLUID_QUERY_TIME[ms]: 44, FLUID_QUERIES: 1365, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 412, DOMAIN_JOIN_TIME[ms]: 7280, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 32, DOMAIN_WIDEN_TIME[ms]: 56, DOMAIN_ISSUBSETEQ_APPLICATIONS: 76, DOMAIN_ISSUBSETEQ_TIME[ms]: 186, DOMAIN_ISBOTTOM_APPLICATIONS: 286, DOMAIN_ISBOTTOM_TIME[ms]: 778, LOOP_SUMMARIZER_APPLICATIONS: 44, LOOP_SUMMARIZER_CACHE_MISSES: 44, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7126, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7124, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 76, CALL_SUMMARIZER_APPLICATIONS: 290, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11606, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11604, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 1325, DAG_COMPRESSION_RETAINED_NODES: 388 - UnprovableResult [Line: 158]: 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 1974#(or (and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) (and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= 0 ~pumpRunning~0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...