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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:41:13,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:41:13,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:41:13,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:41:13,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:41:13,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:41:13,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:41:13,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:41:13,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:41:13,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:41:13,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:41:13,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:41:13,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:41:13,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:41:13,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:41:13,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:41:13,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:41:13,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:41:13,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:41:13,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:41:13,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:41:13,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:41:13,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:41:13,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:41:13,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:41:13,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:41:13,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:41:13,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:41:13,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:41:13,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:41:13,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:41:13,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:41:13,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:41:13,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:41:13,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:41:13,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:41:13,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:41:13,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:41:13,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:41:13,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:41:13,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:41:13,319 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 12:41:13,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:41:13,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:41:13,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:41:13,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:41:13,347 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:41:13,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:41:13,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:41:13,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:41:13,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:41:13,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:41:13,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:41:13,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:41:13,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:41:13,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:41:13,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:41:13,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:41:13,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:41:13,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:41:13,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:41:13,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:41:13,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:41:13,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:41:13,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:41:13,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:41:13,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:41:13,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:41:13,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:41:13,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:41:13,352 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 12:41:13,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:41:13,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:41:13,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:41:13,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:41:13,417 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:41:13,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-10-04 12:41:13,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e1b176a/295259af8adf4ec1845d5f1babf731ce/FLAG0873da3d8 [2019-10-04 12:41:14,043 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:41:14,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2019-10-04 12:41:14,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e1b176a/295259af8adf4ec1845d5f1babf731ce/FLAG0873da3d8 [2019-10-04 12:41:14,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e1b176a/295259af8adf4ec1845d5f1babf731ce [2019-10-04 12:41:14,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:41:14,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:41:14,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:41:14,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:41:14,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:41:14,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:41:14" (1/1) ... [2019-10-04 12:41:14,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240d376e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:14, skipping insertion in model container [2019-10-04 12:41:14,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:41:14" (1/1) ... [2019-10-04 12:41:14,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:41:14,453 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:41:14,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:41:14,931 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:41:15,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:41:15,058 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:41:15,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15 WrapperNode [2019-10-04 12:41:15,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:41:15,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:41:15,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:41:15,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:41:15,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (1/1) ... [2019-10-04 12:41:15,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:41:15,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:41:15,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:41:15,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:41:15,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:41:15" (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 12:41:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:41:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:41:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:41:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:41:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:41:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:41:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:41:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-04 12:41:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:41:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:41:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:41:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:41:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:41:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:41:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:41:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:41:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:41:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:41:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:41:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:41:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:41:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:41:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:41:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:41:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:41:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:41:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-04 12:41:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:41:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:41:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-04 12:41:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:41:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:41:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:41:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:41:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:41:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:41:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-04 12:41:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-04 12:41:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:41:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:41:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:41:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:41:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:41:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:41:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:41:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:41:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:41:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:41:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:41:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:41:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:41:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:41:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:41:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:41:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:41:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:41:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:41:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:41:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:41:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:41:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:41:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:41:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:41:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:41:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:41:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:41:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:41:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:41:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-04 12:41:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:41:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:41:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:41:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:41:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:41:16,703 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:41:16,704 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:41:16,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:41:16 BoogieIcfgContainer [2019-10-04 12:41:16,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:41:16,707 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:41:16,707 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:41:16,708 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:41:16,709 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:41:16" (1/1) ... [2019-10-04 12:41:16,710 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 12:41:16,757 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:41:16,757 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:41:16,773 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:41:16,788 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:41:16,791 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:41:26,173 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-04 12:41:27,750 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:41:27,908 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:41:28,024 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:41:28,153 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:41:28,436 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-04 12:41:28,462 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-04 12:41:28,519 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-04 12:41:28,525 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-04 12:41:28,787 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:41:29,005 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:41:29,595 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:41:30,082 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:41:30,455 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:41:31,011 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2019-10-04 12:41:31,302 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-04 12:41:33,361 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2019-10-04 12:41:37,313 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:41:37,315 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 140 for LOIs [2019-10-04 12:41:37,527 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 130 for LOIs [2019-10-04 12:41:37,534 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-04 12:41:37,607 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:41:37,607 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:41:37,609 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 853#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string25.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|)) [2019-10-04 12:41:37,623 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:41:37,624 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:41:37,626 INFO L168 Benchmark]: Toolchain (without parser) took 23259.99 ms. Allocated memory was 141.0 MB in the beginning and 752.4 MB in the end (delta: 611.3 MB). Free memory was 87.5 MB in the beginning and 305.0 MB in the end (delta: -217.5 MB). Peak memory consumption was 393.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:41:37,627 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:41:37,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.64 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 166.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:41:37,629 INFO L168 Benchmark]: Boogie Preprocessor took 91.11 ms. Allocated memory is still 200.8 MB. Free memory was 166.5 MB in the beginning and 162.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:41:37,630 INFO L168 Benchmark]: RCFGBuilder took 1555.88 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 162.3 MB in the beginning and 146.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-10-04 12:41:37,631 INFO L168 Benchmark]: Sifa took 20917.20 ms. Allocated memory was 227.5 MB in the beginning and 752.4 MB in the end (delta: 524.8 MB). Free memory was 146.2 MB in the beginning and 305.0 MB in the end (delta: -158.8 MB). Peak memory consumption was 366.1 MB. Max. memory is 7.1 GB. [2019-10-04 12:41:37,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.64 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 166.5 MB in the end (delta: -79.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.11 ms. Allocated memory is still 200.8 MB. Free memory was 166.5 MB in the beginning and 162.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1555.88 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 162.3 MB in the beginning and 146.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * Sifa took 20917.20 ms. Allocated memory was 227.5 MB in the beginning and 752.4 MB in the end (delta: 524.8 MB). Free memory was 146.2 MB in the beginning and 305.0 MB in the end (delta: -158.8 MB). Peak memory consumption was 366.1 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]: 20853, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 264, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 171, TOOLS_POST_TIME[ms]: 11138, TOOLS_POST_CALL_APPLICATIONS: 78, TOOLS_POST_CALL_TIME[ms]: 193, TOOLS_POST_RETURN_APPLICATIONS: 71, TOOLS_POST_RETURN_TIME[ms]: 104, TOOLS_QUANTIFIERELIM_APPLICATIONS: 319, TOOLS_QUANTIFIERELIM_TIME[ms]: 11313, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11034, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 270, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 86, DOMAIN_JOIN_TIME[ms]: 8431, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 588, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 204, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5518, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5517, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 71, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11786, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11785, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 399, DAG_COMPRESSION_RETAINED_NODES: 217 - UnprovableResult [Line: 578]: 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 853#(and (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string25.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= 0 |#t~string24.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...