/usr/bin/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_spec2_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:47:08,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:47:09,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:47:09,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:47:09,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:47:09,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:47:09,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:47:09,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:47:09,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:47:09,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:47:09,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:47:09,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:47:09,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:47:09,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:47:09,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:47:09,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:47:09,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:47:09,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:47:09,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:47:09,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:47:09,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:47:09,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:47:09,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:47:09,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:47:09,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:47:09,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:47:09,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:47:09,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:47:09,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:47:09,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:47:09,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:47:09,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:47:09,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:47:09,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:47:09,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:47:09,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:47:09,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:47:09,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:47:09,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:47:09,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:47:09,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:47:09,063 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 [2019-11-07 10:47:09,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:47:09,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:47:09,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:47:09,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:47:09,085 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:47:09,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:47:09,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:47:09,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:47:09,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:47:09,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:47:09,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:47:09,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:47:09,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:47:09,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:47:09,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:47:09,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:47:09,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:47:09,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:47:09,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:47:09,090 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:47:09,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:47:09,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:47:09,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:47:09,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:47:09,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:47:09,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:47:09,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:47:09,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:47:09,092 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 [2019-11-07 10:47:09,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:47:09,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:47:09,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:47:09,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:47:09,376 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:47:09,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-11-07 10:47:09,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665b67ac5/302377a1f8084b00b48bc3faf4bfc5e9/FLAGaef1b4ebc [2019-11-07 10:47:10,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:47:10,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-11-07 10:47:10,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665b67ac5/302377a1f8084b00b48bc3faf4bfc5e9/FLAGaef1b4ebc [2019-11-07 10:47:10,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665b67ac5/302377a1f8084b00b48bc3faf4bfc5e9 [2019-11-07 10:47:10,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:47:10,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:47:10,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:47:10,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:47:10,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:47:10,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:47:10" (1/1) ... [2019-11-07 10:47:10,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fb3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:10, skipping insertion in model container [2019-11-07 10:47:10,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:47:10" (1/1) ... [2019-11-07 10:47:10,290 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:47:10,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:47:10,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:47:10,812 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:47:10,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:47:11,008 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:47:11,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11 WrapperNode [2019-11-07 10:47:11,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:47:11,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:47:11,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:47:11,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:47:11,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (1/1) ... [2019-11-07 10:47:11,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:47:11,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:47:11,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:47:11,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:47:11,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:11" (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 [2019-11-07 10:47:11,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:47:11,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:47:11,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:47:11,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:47:11,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:47:11,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:47:11,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:47:11,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:47:11,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:47:11,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:47:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:47:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:47:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:47:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:47:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:47:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:47:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:47:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:47:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:47:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:47:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:47:11,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:47:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:47:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 10:47:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:47:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:47:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:47:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:47:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:47:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:47:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:47:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:47:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:47:11,206 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:47:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:47:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:47:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:47:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:47:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:47:11,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:47:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:47:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:47:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:47:11,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:47:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:47:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:47:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:47:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:47:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:47:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:47:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:47:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:47:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:47:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:47:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:47:11,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:47:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:47:11,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:47:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:47:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 10:47:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:47:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:47:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:47:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:47:11,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:47:11,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:47:11,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:47:11,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:47:12,875 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:47:12,876 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:47:12,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:12 BoogieIcfgContainer [2019-11-07 10:47:12,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:47:12,879 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:47:12,880 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:47:12,880 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:47:12,881 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:12" (1/1) ... [2019-11-07 10:47:12,882 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 [2019-11-07 10:47:12,918 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:47:12,919 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:47:12,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:47:12,941 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:47:12,943 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:47:23,887 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:47:25,811 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:47:25,948 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:47:25,972 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-11-07 10:47:26,031 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-11-07 10:47:26,047 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-11-07 10:47:26,558 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-07 10:47:26,896 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:47:27,146 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-07 10:47:27,282 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-07 10:47:27,529 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-11-07 10:47:27,916 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2019-11-07 10:47:28,147 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:47:28,446 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:47:28,655 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:47:28,867 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-07 10:47:29,082 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-11-07 10:47:29,510 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-07 10:47:30,115 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-07 10:47:30,671 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2019-11-07 10:47:31,202 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 183 [2019-11-07 10:47:32,456 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-11-07 10:47:33,166 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-07 10:47:33,501 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-07 10:47:33,791 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:47:34,092 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-11-07 10:47:34,209 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-11-07 10:47:34,379 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 617 [2019-11-07 10:47:34,701 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 617 [2019-11-07 10:47:35,153 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:47:35,397 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-11-07 10:47:35,595 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2019-11-07 10:47:36,755 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-07 10:47:37,077 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2019-11-07 10:47:37,536 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 634 [2019-11-07 10:47:37,758 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 634 [2019-11-07 10:47:37,867 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:47:37,872 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-11-07 10:47:38,175 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-11-07 10:47:38,184 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:47:38,185 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:47:38,202 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:47:38,202 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:47:38,204 INFO L168 Benchmark]: Toolchain (without parser) took 27929.19 ms. Allocated memory was 146.3 MB in the beginning and 672.7 MB in the end (delta: 526.4 MB). Free memory was 103.6 MB in the beginning and 202.1 MB in the end (delta: -98.6 MB). Peak memory consumption was 427.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:38,205 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 10:47:38,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.91 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.3 MB in the beginning and 172.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:38,207 INFO L168 Benchmark]: Boogie Preprocessor took 122.22 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:38,208 INFO L168 Benchmark]: RCFGBuilder took 1746.83 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 141.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:38,208 INFO L168 Benchmark]: Sifa took 25322.39 ms. Allocated memory was 234.9 MB in the beginning and 672.7 MB in the end (delta: 437.8 MB). Free memory was 139.8 MB in the beginning and 202.1 MB in the end (delta: -62.3 MB). Peak memory consumption was 375.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:38,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.91 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.3 MB in the beginning and 172.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.22 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1746.83 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 141.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * Sifa took 25322.39 ms. Allocated memory was 234.9 MB in the beginning and 672.7 MB in the end (delta: 437.8 MB). Free memory was 139.8 MB in the beginning and 202.1 MB in the end (delta: -62.3 MB). Peak memory consumption was 375.5 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]: 25267, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 71, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 247, TOOLS_POST_TIME[ms]: 13086, TOOLS_POST_CALL_APPLICATIONS: 105, TOOLS_POST_CALL_TIME[ms]: 391, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 151, TOOLS_QUANTIFIERELIM_APPLICATIONS: 449, TOOLS_QUANTIFIERELIM_TIME[ms]: 13423, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12929, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 416, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 9801, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1365, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 71, DOMAIN_ISBOTTOM_TIME[ms]: 218, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8461, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8460, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 32, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13229, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13228, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 759, DAG_COMPRESSION_RETAINED_NODES: 245 - UnprovableResult [Line: 410]: 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 945#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string36.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= |#t~string20.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...