java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:12:44,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:12:44,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:12:44,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:12:44,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:12:44,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:12:44,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:12:44,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:12:44,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:12:44,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:12:44,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:12:44,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:12:44,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:12:44,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:12:44,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:12:44,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:12:44,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:12:44,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:12:44,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:12:44,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:12:44,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:12:44,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:12:44,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:12:44,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:12:44,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:12:44,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:12:44,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:12:44,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:12:44,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:12:44,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:12:44,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:12:44,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:12:44,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:12:44,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:12:44,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:12:44,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:12:44,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:12:44,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:12:44,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:12:44,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:12:44,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:12:44,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 10:12:44,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:12:44,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:12:44,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:12:44,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:12:44,477 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:12:44,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:12:44,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:12:44,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:12:44,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:12:44,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:12:44,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:12:44,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:12:44,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:12:44,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:12:44,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:12:44,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:12:44,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:12:44,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:12:44,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:12:44,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:12:44,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:12:44,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:12:44,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:12:44,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:12:44,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:12:44,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:12:44,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:12:44,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:12:44,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 10:12:44,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:12:44,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:12:44,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:12:44,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:12:44,537 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:12:44,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-17 10:12:44,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c9d111c/d2f281c404fe4888949f6cf5641fea5c/FLAG55275cb3f [2019-09-17 10:12:45,092 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:12:45,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-17 10:12:45,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c9d111c/d2f281c404fe4888949f6cf5641fea5c/FLAG55275cb3f [2019-09-17 10:12:45,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c9d111c/d2f281c404fe4888949f6cf5641fea5c [2019-09-17 10:12:45,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:12:45,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:12:45,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:12:45,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:12:45,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:12:45,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:12:45" (1/1) ... [2019-09-17 10:12:45,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f315885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:45, skipping insertion in model container [2019-09-17 10:12:45,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:12:45" (1/1) ... [2019-09-17 10:12:45,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:12:45,540 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:12:46,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:12:46,062 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:12:46,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:12:46,174 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:12:46,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46 WrapperNode [2019-09-17 10:12:46,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:12:46,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:12:46,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:12:46,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:12:46,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... [2019-09-17 10:12:46,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:12:46,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:12:46,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:12:46,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:12:46,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:12:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:12:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:12:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:12:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:12:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:12:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:12:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:12:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:12:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:12:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:12:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:12:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:12:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:12:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:12:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:12:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:12:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:12:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:12:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:12:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:12:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:12:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:12:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:12:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:12:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:12:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:12:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:12:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:12:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:12:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:12:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:12:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:12:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:12:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:12:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:12:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:12:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:12:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:12:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:12:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:12:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:12:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:12:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:12:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:12:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:12:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:12:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:12:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:12:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:12:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:12:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:12:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:12:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:12:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:12:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:12:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:12:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:12:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:12:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:12:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:12:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:12:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:12:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:12:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:12:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:12:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:12:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:12:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:12:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:12:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:12:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:12:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:12:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:12:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:12:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:12:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:12:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:12:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:12:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:12:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:12:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:12:47,873 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:12:47,874 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:12:47,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:12:47 BoogieIcfgContainer [2019-09-17 10:12:47,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:12:47,877 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:12:47,878 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:12:47,878 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:12:47,879 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:12:47" (1/1) ... [2019-09-17 10:12:47,880 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 10:12:47,909 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:12:47,912 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:12:47,924 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:12:47,934 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:12:47,935 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:13:06,769 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:13:08,603 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:13:12,592 WARN L191 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:13:12,909 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:13:12,921 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-17 10:13:12,980 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-17 10:13:12,985 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-17 10:13:13,952 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:13:14,351 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:13:15,470 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 10:13:15,832 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:13:16,324 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:13:17,188 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-17 10:13:17,518 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:13:18,545 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:13:18,881 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:13:19,205 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:13:20,084 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-17 10:13:20,938 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-17 10:13:21,825 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-17 10:13:22,686 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-17 10:13:23,549 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-17 10:13:23,867 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:13:24,865 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:13:25,818 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:13:26,140 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:13:26,475 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:13:26,798 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:13:27,117 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:13:27,444 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:13:28,430 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 10:13:28,745 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:13:29,077 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:13:29,080 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:13:29,082 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 104 for LOIs [2019-09-17 10:13:29,742 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-17 10:13:30,405 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-17 10:13:31,044 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-17 10:13:31,045 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 98 for LOIs [2019-09-17 10:13:31,051 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 98 for LOIs [2019-09-17 10:13:31,285 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-17 10:13:31,286 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:13:31,286 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:13:31,287 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 322#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= |#t~string8.offset| 0)) [2019-09-17 10:13:31,299 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:13:31,299 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:13:31,301 INFO L168 Benchmark]: Toolchain (without parser) took 45828.38 ms. Allocated memory was 138.9 MB in the beginning and 558.4 MB in the end (delta: 419.4 MB). Free memory was 85.8 MB in the beginning and 272.6 MB in the end (delta: -186.8 MB). Peak memory consumption was 232.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:31,302 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:13:31,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.50 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 85.6 MB in the beginning and 164.8 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:31,304 INFO L168 Benchmark]: Boogie Preprocessor took 86.43 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 161.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:31,304 INFO L168 Benchmark]: RCFGBuilder took 1615.35 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 161.0 MB in the beginning and 148.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:31,305 INFO L168 Benchmark]: Sifa took 43421.84 ms. Allocated memory was 222.8 MB in the beginning and 558.4 MB in the end (delta: 335.5 MB). Free memory was 148.7 MB in the beginning and 272.6 MB in the end (delta: -123.9 MB). Peak memory consumption was 211.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:13:31,309 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.50 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 85.6 MB in the beginning and 164.8 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.43 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 161.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1615.35 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 161.0 MB in the beginning and 148.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 43421.84 ms. Allocated memory was 222.8 MB in the beginning and 558.4 MB in the end (delta: 335.5 MB). Free memory was 148.7 MB in the beginning and 272.6 MB in the end (delta: -123.9 MB). Peak memory consumption was 211.7 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]: 43378, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 207, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 136, TOOLS_POST_TIME[ms]: 24629, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 133, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 54, TOOLS_QUANTIFIERELIM_APPLICATIONS: 250, TOOLS_QUANTIFIERELIM_TIME[ms]: 24727, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24574, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 209, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 18229, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 166, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6193, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6193, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 25147, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 25146, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 453, DAG_COMPRESSION_RETAINED_NODES: 236 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 322#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...