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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:49:36,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:49:36,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:49:36,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:49:36,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:49:36,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:49:36,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:49:36,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:49:36,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:49:36,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:49:36,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:49:36,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:49:36,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:49:36,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:49:36,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:49:36,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:49:36,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:49:36,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:49:36,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:49:36,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:49:36,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:49:36,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:49:36,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:49:36,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:49:36,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:49:36,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:49:36,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:49:36,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:49:36,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:49:36,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:49:36,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:49:36,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:49:36,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:49:36,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:49:36,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:49:36,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:49:36,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:49:36,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:49:36,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:49:36,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:49:36,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:49:36,856 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 [2019-10-14 02:49:36,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:49:36,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:49:36,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:49:36,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:49:36,876 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:49:36,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:49:36,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:49:36,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:49:36,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:49:36,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:49:36,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:49:36,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:49:36,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:49:36,879 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:49:36,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:49:36,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:49:36,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:49:36,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:49:36,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:49:36,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:49:36,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:49:36,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:49:36,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:49:36,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:49:36,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:49:36,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:49:36,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:49:36,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:49:36,883 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 [2019-10-14 02:49:37,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:49:37,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:49:37,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:49:37,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:49:37,170 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:49:37,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-10-14 02:49:37,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2fa2d25/c742be4d017b482aa17227b7551529a2/FLAG4f8f2019a [2019-10-14 02:49:37,802 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:49:37,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-10-14 02:49:37,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2fa2d25/c742be4d017b482aa17227b7551529a2/FLAG4f8f2019a [2019-10-14 02:49:38,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2fa2d25/c742be4d017b482aa17227b7551529a2 [2019-10-14 02:49:38,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:49:38,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:49:38,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:49:38,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:49:38,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:49:38,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51de3a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38, skipping insertion in model container [2019-10-14 02:49:38,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:49:38,270 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:49:38,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:49:38,717 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:49:38,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:49:38,896 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:49:38,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38 WrapperNode [2019-10-14 02:49:38,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:49:38,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:49:38,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:49:38,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:49:38,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (1/1) ... [2019-10-14 02:49:38,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:49:39,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:49:39,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:49:39,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:49:39,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:49:38" (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 [2019-10-14 02:49:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:49:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:49:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:49:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:49:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:49:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:49:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:49:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:49:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:49:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:49:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:49:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:49:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:49:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:49:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:49:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:49:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 02:49:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:49:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:49:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:49:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:49:39,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:49:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:49:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 02:49:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 02:49:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:49:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:49:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-14 02:49:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-14 02:49:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:49:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:49:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:49:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:49:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:49:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:49:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 02:49:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:49:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:49:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:49:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:49:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:49:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:49:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:49:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:49:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:49:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:49:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:49:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:49:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:49:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:49:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:49:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:49:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:49:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:49:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:49:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:49:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:49:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:49:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:49:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:49:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:49:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-14 02:49:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:49:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:49:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:49:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:49:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:49:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:49:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:49:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:49:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:49:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 02:49:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:49:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:49:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:49:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 02:49:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-14 02:49:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:49:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:49:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 02:49:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-14 02:49:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:49:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:49:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:49:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:49:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:49:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:49:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:49:40,665 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:49:40,665 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:49:40,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:49:40 BoogieIcfgContainer [2019-10-14 02:49:40,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:49:40,667 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:49:40,667 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:49:40,668 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:49:40,669 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:49:40" (1/1) ... [2019-10-14 02:49:40,669 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 [2019-10-14 02:49:40,695 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:49:40,695 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:49:40,707 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:49:40,719 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:49:40,721 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:49:49,533 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-14 02:49:51,051 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:49:51,181 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:49:51,316 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:49:51,469 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:49:51,724 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:49:51,752 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-14 02:49:51,821 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-14 02:49:51,842 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-14 02:49:52,508 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-14 02:49:53,019 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-14 02:49:53,210 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 183 [2019-10-14 02:49:53,470 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 02:49:53,857 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-14 02:49:54,076 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2019-10-14 02:49:54,343 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-14 02:49:54,788 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 178 [2019-10-14 02:49:55,715 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:49:55,718 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-10-14 02:49:55,918 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 133 for LOIs [2019-10-14 02:49:55,927 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 146 for LOIs [2019-10-14 02:49:56,004 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:49:56,005 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:49:56,007 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 485#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string50.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 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) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.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~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-10-14 02:49:56,026 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:49:56,026 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:49:56,029 INFO L168 Benchmark]: Toolchain (without parser) took 17816.53 ms. Allocated memory was 138.4 MB in the beginning and 510.7 MB in the end (delta: 372.2 MB). Free memory was 102.0 MB in the beginning and 261.5 MB in the end (delta: -159.5 MB). Peak memory consumption was 212.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:49:56,033 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:49:56,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.50 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 168.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:49:56,040 INFO L168 Benchmark]: Boogie Preprocessor took 101.39 ms. Allocated memory is still 201.9 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:49:56,042 INFO L168 Benchmark]: RCFGBuilder took 1667.32 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 146.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:49:56,043 INFO L168 Benchmark]: Sifa took 15359.38 ms. Allocated memory was 235.4 MB in the beginning and 510.7 MB in the end (delta: 275.3 MB). Free memory was 146.5 MB in the beginning and 261.5 MB in the end (delta: -115.0 MB). Peak memory consumption was 160.3 MB. Max. memory is 7.1 GB. [2019-10-14 02:49:56,054 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.50 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 168.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.39 ms. Allocated memory is still 201.9 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1667.32 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 146.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * Sifa took 15359.38 ms. Allocated memory was 235.4 MB in the beginning and 510.7 MB in the end (delta: 275.3 MB). Free memory was 146.5 MB in the beginning and 261.5 MB in the end (delta: -115.0 MB). Peak memory consumption was 160.3 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]: 15312, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 169, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 109, TOOLS_POST_TIME[ms]: 10434, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 143, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 203, TOOLS_QUANTIFIERELIM_TIME[ms]: 10559, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10379, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 171, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 4076, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 354, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 55, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3181, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3180, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11117, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11117, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 328, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 778]: 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 485#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string50.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 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) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.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~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= |#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...