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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:13:39,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:13:39,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:13:39,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:13:39,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:13:39,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:13:39,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:13:39,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:13:39,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:13:39,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:13:39,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:13:39,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:13:39,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:13:39,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:13:39,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:13:39,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:13:39,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:13:39,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:13:39,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:13:39,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:13:39,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:13:39,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:13:39,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:13:39,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:13:39,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:13:39,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:13:39,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:13:39,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:13:39,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:13:39,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:13:39,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:13:39,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:13:39,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:13:39,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:13:39,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:13:39,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:13:39,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:13:39,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:13:39,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:13:39,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:13:39,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:13:39,976 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 09:13:40,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:13:40,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:13:40,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:13:40,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:13:40,016 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:13:40,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:13:40,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:13:40,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:13:40,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:13:40,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:13:40,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:13:40,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:13:40,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:13:40,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:13:40,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:13:40,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:13:40,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:13:40,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:13:40,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:13:40,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:13:40,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:13:40,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:13:40,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:13:40,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:13:40,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:13:40,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:13:40,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:13:40,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:13:40,021 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 09:13:40,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:13:40,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:13:40,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:13:40,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:13:40,070 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:13:40,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-09-21 09:13:40,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f18a71/9124b29349b24b2e84207e28bc1d6fcc/FLAGef7b4011d [2019-09-21 09:13:40,638 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:13:40,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-09-21 09:13:40,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f18a71/9124b29349b24b2e84207e28bc1d6fcc/FLAGef7b4011d [2019-09-21 09:13:40,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3f18a71/9124b29349b24b2e84207e28bc1d6fcc [2019-09-21 09:13:40,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:13:40,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:13:40,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:13:40,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:13:40,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:13:40,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:13:40" (1/1) ... [2019-09-21 09:13:40,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c1821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:40, skipping insertion in model container [2019-09-21 09:13:40,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:13:40" (1/1) ... [2019-09-21 09:13:41,006 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:13:41,076 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:13:41,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:13:41,643 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:13:41,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:13:41,821 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:13:41,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41 WrapperNode [2019-09-21 09:13:41,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:13:41,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:13:41,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:13:41,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:13:41,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (1/1) ... [2019-09-21 09:13:41,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:13:41,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:13:41,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:13:41,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:13:41,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:13:41" (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 09:13:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:13:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:13:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:13:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:13:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:13:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:13:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:13:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:13:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:13:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:13:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:13:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:13:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:13:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:13:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:13:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:13:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:13:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:13:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-21 09:13:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:13:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:13:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 09:13:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:13:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-21 09:13:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:13:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:13:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:13:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:13:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:13:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:13:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:13:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:13:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:13:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:13:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:13:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:13:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:13:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:13:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:13:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:13:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:13:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:13:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:13:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:13:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:13:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:13:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:13:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:13:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:13:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:13:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:13:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:13:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:13:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:13:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:13:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:13:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:13:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:13:43,558 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:13:43,558 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:13:43,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:13:43 BoogieIcfgContainer [2019-09-21 09:13:43,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:13:43,560 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:13:43,560 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:13:43,561 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:13:43,562 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:13:43" (1/1) ... [2019-09-21 09:13:43,563 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 09:13:43,598 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:13:43,602 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:13:43,617 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:13:43,630 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:13:43,632 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:13:54,066 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:13:55,822 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:13:55,986 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:13:56,044 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-21 09:13:56,078 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-21 09:13:56,082 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-21 09:13:57,774 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:13:57,777 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-21 09:13:57,855 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 103 for LOIs [2019-09-21 09:13:57,869 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-21 09:13:57,906 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:13:57,906 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:13:57,908 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 323#(or (and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)) (and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|))) [2019-09-21 09:13:57,925 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:13:57,925 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:13:57,929 INFO L168 Benchmark]: Toolchain (without parser) took 16936.64 ms. Allocated memory was 138.4 MB in the beginning and 394.8 MB in the end (delta: 256.4 MB). Free memory was 84.7 MB in the beginning and 270.0 MB in the end (delta: -185.2 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:57,930 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:13:57,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.44 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.5 MB in the beginning and 161.8 MB in the end (delta: -77.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:57,934 INFO L168 Benchmark]: Boogie Preprocessor took 112.86 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 158.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:57,940 INFO L168 Benchmark]: RCFGBuilder took 1624.13 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 157.4 MB in the beginning and 146.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:57,941 INFO L168 Benchmark]: Sifa took 14365.13 ms. Allocated memory was 219.2 MB in the beginning and 394.8 MB in the end (delta: 175.6 MB). Free memory was 146.7 MB in the beginning and 270.0 MB in the end (delta: -123.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:13:57,954 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 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.44 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 84.5 MB in the beginning and 161.8 MB in the end (delta: -77.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.86 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 158.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1624.13 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 157.4 MB in the beginning and 146.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 14365.13 ms. Allocated memory was 219.2 MB in the beginning and 394.8 MB in the end (delta: 175.6 MB). Free memory was 146.7 MB in the beginning and 270.0 MB in the end (delta: -123.2 MB). Peak memory consumption was 52.4 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]: 14310, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 211, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 12320, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 139, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 61, TOOLS_QUANTIFIERELIM_APPLICATIONS: 246, TOOLS_QUANTIFIERELIM_TIME[ms]: 12420, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12256, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 215, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 1508, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 92, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1144, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1144, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12394, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12392, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 391, DAG_COMPRESSION_RETAINED_NODES: 206 - UnprovableResult [Line: 295]: 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 323#(or (and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)) (and (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...